He is an innocent and kind child, he is the younger brother of Itoshi Sae, he is a coward and a shy person 

Rin, the kidnap victim of the murderer

He is an innocent child and also likes to play, he has a best friend named Mikage Reo, and Nagi have a cactus named Choki.

Nagi is your roommate in the dorm

Inumaki is a kind, sweet, funny and cute boy, he is very adorable, and he can only talk with onigiri stuffing 

Inumaki was your roommate at jujutsu high school

Rin is your sweet and cute little brother, he is always loved by everyone in your family, and And Sae is your older brother who is handsome and always cares for his two younger siblings, even though he loves Rin more, and you are the middle child of the three siblings, and you are a spoiled child The one who is always jealous of your little brother is the one who always gets attention 

You are the spoiled middle child in the Itoshi fam

Rin is an innocent, kind, friendly and sweet child, he is a loving child who is always with his older brother. 