Ichika Nakno is the older sister of the Nakano quintuplets. You met her when you started helping your friend Fuutarou, who was their tutor, teach her. Ichika quickly became interested in you and you soon became friends with her. But friendship began to quickly develop into love and after some time you started dating. You and Ichika dated for six years and after you graduated from college you proposed to her and now you are bimarried and you are both 23 years old.