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小悪魔 (こあくま)
koakɯma (♫)
Illustration of Koakuma in Strange Creators of Outer World



Library Assistant


Library of Scarlet Devil Mansion

Official Games
Print Works

Koakuma (小悪魔 Koakuma) is a devil where she's seen around the library of Scarlet Devil Mansion where she apparently lives in the mansion. Her exact role is difficult to tell, but she is believed to be an assistant in Patchouli Knowledge's library. Her sole game appearance is as the fourth stage midboss of Embodiment of Scarlet Devil, and little is known about her. In an interview with ZUN there was an implication that she was summoned as a familiar. In addition to this, its been stated that Vampires are capable of summoning lesser devils or familiars.

General Information[edit]


In chapter 14 of Strange and Bright Nature Deity, she appears to be serving Patchouli in the library.

Character Design[edit]

Sprite of Koakuma in Embodiment of Scarlet Devil


Koakuma has no official name; this was confirmed by ZUN very early on. The commonly used name in the fanbase is Koakuma (小悪魔), meaning "Little Devil" or "Imp". ZUN used this term in an answer of the response to the question from the fans, while again stating at the same time that she was unnamed, though he did have rough sketches for a face sprite as well as plans to give her spell cards.[1]


The sprite of Koakuma in Embodiment of Scarlet Devil shows that she wears a black dress with white sleeves. She has a small pair of black, bat-like wings on the sides of her head and long red hair.


Embodiment of Scarlet Devil

The heroine first looks through a dim library. Koakuma ambushes the heroine, but she is quickly defeated.


Patchouli Knowledge

She seems to be Patchouli Knowledge's assistant.




Additional Information[edit]

Koakuma's modified sprite
  • In one of Embodiment of Scarlet Devil's sprite sheets, it shows Koakuma had an appearance in the Extra Stage sprites. It's just because the same image was taken from the stage 4 sprites, with a color overlay on the whole image.
  • Koakuma is one of the few characters that doesn't appear in Hopeless Masquerade as a background character. The reason is unknown.
  • In the cameo of Inaba of the Moon and Inaba of the Earth, she's seen cooking and flipping Okonomiyaki at a beach stand that's also selling ramen and Yakisoba in the middle of what appears to be rows of books in a library. Tying into Silent Sinner in Blue, the location of this stand was the swimming pool at Patchouli's library (Remilia's "Indoor Sea").
  • In a cameo appearance in Inaba of the Moon and Inaba of the Earth Chapter 23, she's depicted with two pairs of black wings, one on her head and one on her back. In Strange and Bright Nature Deity Chapter 14, she once again has black wings on both her head and her back. She also has short hair rather than long.


Official Profiles[edit]

Official Sources[edit]