
Ruka Rengoku (煉獄瑠火) is a supporting character in Demon Slayer: Kimetsu no Yaiba Mugen Train Arc, voiced in Japanese by Megumi Toyoguchi. The series' music includes "Demon Slayer - Opening 2 | 4K | 60FPS | Creditless |", "「Homura - LiSA」KAN/ENG/ROMAJI LYRICS".