A classmate of Furuya Mai. His family became poor after he started high school, so he has decided to put off his education until he can afford tuition. Because he is skipping the exams, the cultural festival is the last major school event he can participate in. He wants to make it successful, so he constantly tries to persuade Mai into helping the class. Many of his attempts lead to him being hit, but it helps him become strong. After getting hurt, Eiji has a tendency to ask to be kicked again. Eiji has two younger sisters, and a pet dog.