Ruka Rengoku serves as the spouse of Shinjuro Rengoku and is the mother to Kyojuro Rengoku and Senjuro Rengoku.
Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train
Demon Slayer: Kimetsu no Yaiba Entertainment District Arc
Demon Slayer: Kimetsu no Yaiba Mugen Train Arc
Demon Slayer: Kimetsu no Yaiba
