"Time to be slayin' the demon!" Rengoku joins the tournament!

Who is Rengoku?:

Rengoku is whats known to the scientific community as an "animey" character. 

Specifically a demon slayer, when asked what they were doing in the real life they responded, "a mission i forgor."

Where does Rengoku come from?:

The twisted mind of Koyoharu Gotouge.

Will they KAMEHAMEHA! to victory? YOU decide!