Demon Slayer: Muzan, Do You Believe in the Light?

【Regenerative Physique】＋【Breath of Light】＋【Six Harmonies Spear】= Muzan’s New Dad! Transmigrated into the world of Demon Slayer, he was kept captive by humans because of his miraculous regenerative physique. In the end, the Kocho Sisters rescued and adopted him, naming him Hikari Kocho. Demons aren’t afraid of getting hurt? Bring it on! Let’s hurt each other and see who heals faster! Ubuyashiki: Hikari, you must become a pillar of the Demon Slayer Corps! Muzan: He came after me while spitting blood and shouting about light! Hikari Kocho: Muzan! Do you believe in the light? 【Multiple heroines → Shinobu Kocho, Kanae Kocho, Kanao Tsuyuri...】