Character profile
Nishinosuke Akai
赤井西之介Hacchoubori
Biography
A plain-clothes police sergeant for the city of Edo. He hates everyone in the house complex where Sora resides, especially Gin.
Story spoilers
He later turns to murder to feed blood to the blue sky beast (Yu), with whom he is having a sexual relationship, and eventually agrees to help her find her way back to the moon before Sora.
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