The Wisteria Hashira by @Brot-Art (Olivier Julien)

He used to be called Iko Nishi, the serpent Hashira. With short, white hair, slightly curvy body type and flying serpent earrings to boot, he killed many demons in his day. One day though, he met his old friend, Rui, who has been turned into a demon. He couldn't kill his little friend, who he felt almost a familial love (PLATONIC!!!), like a you would love a little brother. Rui, for reasons unknown to anyone but himself chose to turn Iko into a demon. Iko then went on a journey of self discovery, and eventually came back to the Hashira headquarters, having killed enough demons and having proven that he won't eat humans, and they welcomed him back with open arms. He now goes by Fujiko Konishi, Fuji or Koko for short. Fuji is a transgender demon slayer turned demon, who eats demons instead of humans. He is immune to wisteria, so he drinks wisteria tea every day to help digest demon's flesh, since for normal demons wisteria is poisonous. He doesn't have much strength in his arms, but he has really strong legs. Sometimes he is able to decapitate demons with his legs, wrapping his legs around their neck in a chokehold.

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