Sumireko Usami in Violet Detector
More Character Titles
Assorted psychic powers (ESP)
"You shouldn't underestimate humans these days. One can find just about anything by searching on the net, after all!"
- — Sumireko (Urban Legend in Limbo. Kasen's scenario)
Sumireko Usami (宇佐見 菫子 Usami Sumireko) is the main antagonist of Urban Legend in Limbo and is the main protagonist of Violet Detector. She's a human from the Outside World with psychic powers (ESP). She is the first president of the Secret Sealing Club.
- 1 General Information
- 2 Character Design
- 3 Appearances
- 4 Relationships
- 5 Gallery
- 6 Skills
- 7 Spell Cards
- 8 Additional Information
- 9 Fandom
- 10 Official Profiles
- 11 Official Sources
- 12 See Also
- 13 References
Sumireko first appeared as the Final Boss of Urban Legend in Limbo, and eventually becomes a playable character of the same game.
Sumireko has shown herself to be extremely intelligent, determined, passionate, and hubristic in equal parts. At her best, she is friendly and passionate about life and learning about the world around her. At her worst, she can devolve into stubbornness and outright obstinance, going so far as to put herself in grave danger to achieve her goals. 
Despite her apparent superiority complex, she has grown to have a deep respect and admiration for the inhabitants of Gensokyo, referring to many of them as her friends, and looking up to them for mentorship and guidance. She describes herself as having been a bit of a loner prior to her arrival in Gensokyo, and she considers her discovery of Gensokyo to be the best thing to have happened in her life due to the friendships she's made there. 
She also describes herself as being chuunibyou, a term usually used mockingly, with a sense of personal pride, alluding to her psychic powers and other magical abilities. In spite of that pride, she does lament that nobody in the Outside World seems to be able to understand her or her passion about the occult and Gensokyo. This may also be in part due to how highly opinionated she is, espousing her beliefs about the "phoniness" of the Outside World's dominant consumerist culture at the slightest provocation.
Sumireko seems to hold several contradictory opinions, although it comes off less as hypocrisy, and more as though she hasn't been able to fully make up her mind about certain subjects due to her inexperience of being a teenager.
She is a strong psychic, capable of various powers associated with the occult, including but seemingly not limited to levitation,  pyrokinesis, hydrokinesis, telekinesis, psychokinesis, and teleportation.  
After the events of Urban Legend in Limbo, she unwittingly develops a doppelgänger which maintains her "permanent" presence in Gensokyo. She is able to recall the memories of both the doppelgänger as well as those from her "normal" life in the Outside World, allowing her to live a double-life in both worlds.
Her full name is Sumireko Usami (宇佐見 菫子 Usami Sumireko). Usami (宇佐見) uses the same writing as Renko Usami's surname and it is known to be an actual name in Japanese. Sumireko (菫子) literally means "violet child" and is also similar to how Renko's name means "lotus child", as both take their names from flowers.
Sumireko has brown eyes and shoulder-length brown hair tied in pigtails. On her head is a black hat with a white bow along with red-framed glasses. She wears a purple plaid skirt and matching sleeveless top (resembling a jumper dress), over a long-sleeved white blouse and a black bolo tie with a clasp shaped like a "Quimbaya airplane". Along with this, she wears white socks with bows and black shoes. Sumireko generally carries Zener cards, a tablet computer marked with a hexagram on the back, a smartphone in a white case with various blue shapes on it and a light-blue liberator. She also wears white gloves, and a black, high-collared cloak with a red interior inscribed with pinkish-white runes and a series of white lines at the bottom rim of the backside.
Her summer uniform appears nearly identical to her winter one, but with shorter and looser sleeves, no gloves, and a skull in place of the Quimbaya airplane.
- Urban Legend in Limbo
Sumireko is the main antagonist of Urban Legend in Limbo and the final boss in most of the characters' scenarios in story mode.
Sumireko manages to go through the Great Hakurei Barrier by using the Occult Balls, which are special stones gathered from Mystery Spots in the Outside World. However, after a short period, she is suddenly ejected from Gensokyo. Learning from this, Sumireko starts with brief excursions into Gensokyo to learn more about it, appearing to anyone who catches sight of her as an ominous black shadow.
Sumireko soon devises a plan to spread rumors of the Occult Ball's powers and scatters them around Gensokyo for its residents to find. Once the balls are gathered, they warp back to the Outside World along with whoever gathered them all, just for enough time for Sumireko to learn about them before they are transported back. She then re-enters Gensokyo and scatters the balls again, thus beginning the incident of Urban Legend in Limbo. Her plan works for a while, and although she is baffled at why everyone who comes out of Gensokyo ends up fighting her, she enjoys it nonetheless.
Soon enough, Mamizou Futatsuiwa is made aware of the incident and devises her own plan: she claims to have Gensokyo's own Occult Ball in her possession when challenging Sumireko, claiming it would allow her limitless travel between Gensokyo and the Outside World. Mamizou instead tricks Sumireko into entering Gensokyo the proper way, which does let her stay there, but as Sumireko does not know how to get back out, she is trapped in Gensokyo.
Sumireko's story mode in Urban Legend in Limbo follows her as she is trapped in Gensokyo, whose residents attempt to scare her to teach her a lesson. In the end, she is confronted by Toyosatomimi no Miko, who reminds Sumireko that she can use the Occult Balls to escape Gensokyo temporarily. She returns to the Outside World, and believing she will eventually be killed by the youkai of Gensokyo, she decides that when her time in the Outside World runs out, she will sacrifice herself to, purportedly, unleash the full power of the Occult Balls and destroy the Great Hakurei Barrier.
Before being brought back to Gensokyo, she is confronted by Reimu in her own story mode, who realized that one of Sumireko's Occult Balls was swapped for a Lunar Capital ball, which if activated would link Gensokyo with the Lunar Capital instead. Although Reimu defeats Sumireko and saves the Great Hakurei Barrier, the Lunar Capital ball was activated, setting up the events of Legacy of Lunatic Kingdom. Upon returning to Gensokyo, Sumireko is detained by Reimu, Mamizou and Kasen Ibaraki. Deciding Sumireko was no longer a threat, they return her to the Outside World through the proper method.
A few days later, Sumireko reappears at the Hakurei Shrine, as she had discovered that ever since leaving Gensokyo, she could travel back there in her dreams. No longer antagonistic, she befriends Gensokyo's residents in earnest, and her tales of the Outside World turn her into a brief celebrity.
- Antinomy of Common Flowers
Sumireko is a playable character with an unlockable story mode in Antinomy of Common Flowers. In her story mode, she visited Gensokyo at a bad time as the Dream World has been thrown into chaos by the Yorigami Sisters' incident, and she ends up trapped there as a result.
She teams up with Doremy Sweet to traverse through the Dream World and reach Gensokyo, whereupon they are tasked by Yukari Yakumo to dispatch Sumireko's own Dream Soul that has been released into the Outside World by the incident. Curiously Sumireko somehow encounters two of her own Dream Souls, but defeats them with Doremy's help. She awakes in the Outside World afterward, greeted by Doremy to confirm that she is the real Sumireko.
- Violet Detector
Sumireko is the main protagonist of Violet Detector. For some time, she has been having the same weird dream, in which she is constantly attacked by the residents of the dream world for no reason. She finally discovers that the dream dwellers hold a grudge against her for having a flesh body allowing her to go in the real world, and Doremy Sweet tells her that she can only expect the situation to worsen. After some time, she encounters and fight against Okina Matara. Okina is impressed by Sumireko who has been able to fend off the dream dwellers for quite some time. She offers her some help, in order to make the dream dwellers recognize her strength and make them stop attacking her. But in order to achieve that, she has to defeat even more powerful nightmares, so Okina lends Sumireko some powers on top of her psychic abilities, allowing her to cheat death in certain situations.
Sumireko then goes on and fights powerful nightmares, in the form of strong dream dwellers teaming up against her. After a week of fighting, she encounters another Sumireko. During that confrontation, she realizes that she was actually the Dream Soul of the real Sumireko, the other one, who is trying to get her body back. But at this point, Dream Sumireko has become stronger than the real Sumireko and is able to defeat her.
Okina, not willing to take any side in the confrontation between the two Sumirekos, decides to take back the power she lent Dream Sumireko to make things fair. The real Sumireko challenges her dream self once again and eventually defeats her.
The next day, Sumireko wakes up in the real world as if nothing happened, having no recollection of what transpired in her mind. She stopped having those nightmares, but the photos of danmaku battles still lie in the memory of her smartphone.
- Grimoire of Usami
Sumireko is the creator and writer of this grimoire, having her surname in the title as a result. In it, imitating Marisa Kirisame, she recollects information about the danmaku of various characters who appeared at the firework festival, cataloging and critiquing their patterns. However, some of them wanted to hijack the festival to turn it into a "real danmaku festival", but at the end it ended without major inconveniences.
- Wild and Horned Hermit
In chapter 29, Sumireko appears in the Hakurei Shrine, where it also appears an strange bubble. After Reimu Hakurei tried to defend Sumireko, the bubble pops on Reimu's gohei and Reimu collapses and starts sleeping. Sumireko realizes that Marisa Kirisame did the same. Kasen Ibara appears and, after Sumireko explains the situation, she thinks they are dream souls with the dreams Sumireko had to had instead of her traveling to Gensokyo. As a result, Marisa had a dream where she was in Sumireko's school. However, Marisa's dream ended up in Reimu's.
In chapter 31, she appears in the Hakurei Shrine in the "World UFO Day," and accidentally summons a UFO, which irritated Reimu.
- Curiosities of Lotus Asia
In Curiosities of Lotus Asia, Sumireko helps Rinnosuke Morichika identifying stuff from his shop and talks with him, Reimu and Marisa about the Outside World. On the other hand, they catalog Sumireko's trials and tribulations as she integrates herself into Gensokyo life, with the development of her occult doppelganger, and her disappearance during Violet Detector.
In Urban Legend in Limbo and Curiosities of Lotus Asia, Reimu and Marisa are frequently seen doting on her, making sure she's safe and trying to keep her from getting into trouble. In an interview with Aya Shameimaru in Alternative Facts in Eastern Utopia, Sumireko refers to both Reimu and Marisa as friends she's made since coming to Gensokyo. 
Reimu admits that although she's worried about Sumireko's appearance in Gensokyo and its implications for more Outside World humans passing through the barrier, Sumireko has made things "fun" in Gensokyo again. Marisa also tries to give advice on how to talk to the local residents.
In Violet Detector, Sumireko refers to both of them with friendly informal names like "Reimu-cchi" and "Marisa-cchi," typically used between close friends.
In Curiosities of Lotus Asia, which is primarily told through Rinnosuke's perspective, Rinnosuke and Sumireko often talk about the Outside World and the various items that filter in through the Great Hakurei Barrier. Rinnosuke shows a great deal of care towards Sumireko, worrying about her safety, while Sumireko seems to regard him as a nag, and goes so far as to criticize him for his habits, such as smoking cigarettes.  Despite that, they seem to be good friends, with Sumireko recently beginning to work as a "part-timer" at Kourindou.
In Alternative Facts in Eastern Utopia, Sumireko mentions that Mamizou often visits her in the Outside World. The exact details of this aren't known, but Sumireko implies that they're friends, and that Sumireko respects her as an elder. 
In Urban Legend in Limbo, Kasen expresses resentment that Sumireko views youkai with such a casual and playful attitude, feeling that Sumireko should show youkai more respect.  Despite that, it's shown in Wild and Horned Hermit that Kasen has grown a bit softer on her in more recent times.
Initially annoyed by Sumireko, Mokou challenged Sumireko to a duel.  The two were able to match each other's strength. Mokou extended an invitation to have a rematch sometime in the future, admiring the young girl's fighting spirit and passion, and thanking her for giving her a tough challenge. After fighting again, Mokou helped Sumireko getting out of the Bamboo Forest of the Lost.  It appears the two have become friendly rivals. 
In Antimony of Common Flowers, Doremy teams up with Sumireko. During the incident, Sumireko is faced with fighting both her dream-self and her occult doppelganger, who have also teamed up to take down the "real" Sumireko. Doremy expresses confusion over how there can possibly be three Sumirekos at the same time in Gensokyo, but ultimately helps Sumireko resolve her issue at the time.
Due to her name, similar appearance and involvement in the creation of the Secret Sealing Club, she may have some kind of relation to Renko. However, the specifics of this connection is as yet unknown. Her profile suggests she is an ancestor of Renko, from the present time.
In Violet Detector, Okina ultimately assists Sumireko with resolving her real-self/dream-self/doppelganger mix-up situation, but not before toying with her for a little bit. As (real) Sumireko loses her memories of the incident, it's unknown if she remembers Okina at all.
Sumireko finds Shinmyoumaru adorable, claiming to want to somehow take her home as a pet, much to her annoyance. 
Cover of Urban Legend in Limbo, featuring Sumireko's silhouette
Cover of Urban Legend in Limbo OST, featuring Sumireko
Cover of Violet Detector, featuring Sumireko's silhouette
Sumireko on the Vol. 6 cover of Wild and Horned Hermit
Sumireko in The Grimoire of Usami
Sumireko from Who's Who of Humans & Youkai - Dusk Edition
- Sumireko's silhouette occupies the front of Urban Legend in Limbo and Violet Detector's jewel case. Along with Cirno, she's the only character to appear as the silhouette for two games' jewel cases in the Windows games.
- Sumireko is the first final boss to be a human from outside Gensokyo since the PC-98 game Phantasmagoria of Dim.Dream, who was Yumemi Okazaki. Sumireko also has similarities to Yumemi besides this; both have an interest in magic, they tried to take an inhabitant of Gensokyo and had traps provided to lure them into their area.
- She is the first fighting game final boss whose story mode scenario is not the last to be unlocked.
- The runes on her cloak do not appear to form any meaningful words, and some are even drawn from different runic alphabets (e.g. the old-form "sowilo" rune as written in Elder Futhark and the "stan" rune used by Anglo-Saxon writers hundreds of years later).
- Inside the game data for Urban Legend in Limbo, a folder named "Hanako" can be found that contains three sprites of a silhouetted Sumireko holding her cell phone. It's possible that Hanako was a working name for her, or was intended to be her name.
- The 菫 (Sumire) part of her name is the name of a flower, from which the word for flower in Japanese is 花 (Hana). It could also be a codename.
- Antinomy of Common Flowers confirms her to be a citizen of the Kantou Region.  Incidentally, Renko's parents also live in Tokyo. 
- One of her alternate color palettes in Urban Legend in Limbo resembles Kaito Kuroba from Detective Conan.
- In her profile in Urban Legend in Limbo, it is said she just started preparatory school, which situates her at about 15-16 years old, knowing high school is started at about that age in Japan
- Curiosities of Lotus Asia - Chapter 36
- Urban Legend in Limbo - Sumireko's Profile
- Alternative Facts in Eastern Utopia - Sumireko Usami Interview "I'm so glad I started coming to Gensokyo, though. I feel like I've finally escaped from that gloomy, closed-off place!"
- The Grimoire of Usami - Section 1-9
- Alternative Facts in Eastern Utopia - Sumireko Usami Interview
- Urban Legend in Limbo - Mamizou's Scenario "My, a human flying in the sky is pretty rare these days"
- Urban Legend in Limbo - Sumireko's Spell Cards
- Violet Detector ESP Levels
- Curiosities of Lotus Asia - Chapter 33
- Curiosities of Lotus Asia - Chapter 32
- Curiosities of Lotus Asia - Chapter 29
- Urban Legend in Limbo - Kasen's Scenario
- Urban Legend in Limbo - Mokou's Scenario
- Urban Legend in Limbo - Sumireko's Scenario
- Urban Legend in Limbo - Mokou's Ending
- Urban Legend in Limbo - Sumireko's and Shinmyoumaru's Scenario
- Urban Legend in Limbo - Sumireko's Ending
- Retrospective 53 minutes - "Renko Usami and Maribel Hearn (Merry) decided to take a trip to Tokyo where Renko's parents live during their university's vacation."
- Antinomy of Common Flowers's Official Website
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