Giyu's Eternal Presence: The Water Hashira's Lasting Influence

Webgiyu tomioka holds the position of water hashir during tanjiro’s time as a demon slayer, though he has always wanted to relinquish the title. He is a man of few. Webduring infinite castle arc, giyu awakens his mark in the fight against the 3rd upper moon akaza. For that reason, despite giyu, as well as sanemi, being the only. Webgiyu tomioka is one of the playable characters in demon slayer:

Hashira training arc episode 2 sees tanjiro reaching out to giyu, and it's soon explained that giyu doesn't actually feel like he's the water hashira.