Name: Genshin

Age: Same age as Momiji

Height: 6'9

Personality: calm, slightly ruthless, polite, respectful, silent

Powers and abilities:
Ki manipulation
Chakra manipulation
Ninpo manipulation
Regeneration
Cloning
Elemental manipulation
Magic manipulation

Weapon:

Archfriend blade

Ninja battle outfit:

Feats:
Is Momiji's arch-rival

Able to match and keep Momiji, multiple times.

Force Momiji in her berserker state.

In a different universe, defeated thr ten tails.