Futsu

is a shinobi that fought in the coliseum.

Appearance
Futsu is a young light-skinned individual with short, dark brown hair that is kept in a small ponytail and is shaven on both sides. He has green pupil-less eyes. Futsu wears a dark yellow vest with a black tank top underneath and a pair of grey pants. He also wears a pair of white arm sleeves.

Abilities
Futsu is undoubtedly a powerful shinobi as En Oyashiro claimed he was his strongest shinobi. He possesses the Boil Release kekkei genkai, which allows him to simultaneously utilise the water and fire nature transformations to create a corrosive mist that is capable of burning away anything it comes into contact with.

Sasuke Shinden: Book of Sunrise
Futsu fought against Sasuke Uchiha in the coliseum using his Boil Release but is quickly defeated.