Yamoto Koki

Japanese name:

ヤモト・コキ

Yamoto Koki is a high-school girl and ninja. Her ninja soul is the Shi Ninja.

Yamoto a reserved girl and is shown to care deeply for her friends and against joining the Soukai Syndicate. She is shown to turn violent when using Shi Ninja's power and finds enjoyment in it, since her first use she has gained better control over her power. Yamoto also speaks using the first person pronoun "アタイ Atai, Me is" which is done to show Shi Ninja's influence on her. However, she sometimes break frees and use "私 Watashi", which is what most Japanese girls use.

Ninja Slayer Wiki