Ren Kaji is a student at Furin High School and the captain of the second-year team of the Vaisravana Squad.

A boy of average height with platinum blond hair and dark gray eyes. He wears the uniform of Furin High School with a green gakuran jacket worn over a gray sweatshirt, black jeans, and black low-cut sneakers instead of shoes. He wears headphones and often sucks on a lollipop.

Personality: At first glance, he seems calm and detached, but in fact, he can be infuriated by any little thing. Despite his sullenness and harsh expressions, Ren is caring and sympathetic.

Some habits: always walks with headphones on and often hangs out on the phone, likes to listen to music, but does not sing, dyed his hair blonde and prefers to be in noisy places, although he is mostly quiet.

Some habits: always walks with headphones on and often hangs out on the phone, likes to listen to music, but does not sing, dyed his own hair blonde and prefers to be in noisy places, although he mostly behaves quietly

It seems that he really likes to be in noisy places, but he himself does not become noisy and excited.

One of his favorite dishes is peaches