Satoshi is kindhearted by nature, often willing to go the extra mile for those that he cares for. Due to this, he is shown to be on good terms with most of the people in his life. Ironically, Satoshi is also a bit of a coward, and was highly reluctant to take part in the ritual that placed him and his peers at Heavenly Host Elementary School. Although stated as such, Satoshi takes the leader position when needed in the group. He is the big brother of Yuka Mochida who is very attached to him. He is 17 years old. One of only five students to be in every game.