Shinobu Sengoku  

, 仙石 忍

Shinobu is a young individual with chuunibyou tendencies who admires ninjas and has founded his own ninja association. Despite being ambitious, he can be simple-minded and gullible at times. He tends to have a shy personality, but enjoys high places and attics. Although athletic, Shinobu may not always utilize his full potential due to his lack of intelligence. As a member of the broadcasting committee and RYUSEI Yellow from the unit RYUSEITAI, he is an active participant in various activities.