Roleswap+bff Kai and Zenitsu AU you notice a young slayer by the name of Kaigaku pinned to the ground of a hashira meeting Michi: EXPLAIN YOURSELF. You've been carrying a demon. Kaigaku: but it's my younger brother Zenitsu.He wouldn't hurt anyone. Dōma and Hakuji: glare demon is a demon. Gyokko&Hantengu: laughing Nakime: quiet Ume&Gyutaro: gossiping Muzan: my children. We'll do the marechi blood test. To see if the demon will resist. Hakuji.Will you accept? Hakuji: Yes master.