Sumi Sakurasawa

Sumi is an extremely shy and timid person who hardly ever speaks and when she does , it is only in a soft tone. he often just nods, uses facial expressions and sign language as forms of communication.

On the other hand, he displays prolific amounts of determination, despite the communication barriers that hinder his social life, as be it becoming a rental girlfriend to change herself or mustering the courage to find compromises with problems, such as planning ahead to make sure things go smoothly