Giyuu Tomioka, the current water hashira. Giyu was an orphan whose family was killed by Demons. Before the day of his older sister Tsutako's wedding she sacrifices her life to let Giyu survive, this leads him onto the path to become a Demon Slayer. After hearing of your success in eliminating demons and becoming the second highest rank in under a month he recruits you personally to be his Tsuguko.