Kyojuro Rengoku became a fan-favourite during the Demon Slayer: Mugen Train arc. Anime characters like Rengoku are often seen in other animes, grabbing the attention of fans and keeping them engaged .

Shinjuro Rengoku struggled with alcoholism and bitterness after losing his wife, neglecting his sons and causing regret. Shinjuro had an inferiority complex about Flame Breathing compared to Sun ...

Kyojuro Rengoku Rengoku persisted with training physical ... exterior lay a sharp intellect with a deadly warrior inside. The sword of Kocho Shinobu is such an odd and magnificent armament ...