Senjuro Rengoku

Senjuro Rengoku is Kyojuro Rengoku's younger brother in Demon Slayer.

Senjuro Rengoku's status and responsibilities in Demon Slayer: Kimetsu no Yaiba

He trains with a sword but lacks the physical aptitude to become a Demon Slayer and lives under their embittered father Shinjuro.

Senjuro Rengoku's duties, relationships, and personal conflicts

Gentle and thoughtful, Senjuro preserves Kyojuro's memory, supports Tanjiro, and chooses to build a meaningful life without copying his brother's path.