Eita is kind-hearted. Despite his excessive love for his sister, Runa Sasaki, he loves her dearly and wants to protect her. He will offer to help people in any way possible. His overall personality is lively, energetic and somewhat the opposite of how he looks. His determination to help others is what makes him stand out. He doesn’t hesitate to be himself and doesn’t care what others think as long as he’s satisfied. He doesn’t look down on himself or others.