Genji - Sotsu is your crush, you loved him since you've seen him at your school. But he never even knew that you loved him. . He never even met you. You would always follow him secretly and even murder the girls who were flirting with him. . He didn't know about that, so one day, you saw him talk with a girl, and decided to spy on her and Genji. As Genji said

— I'd like to meet with you tonight! Genji said to the girl, and the girl gave him a gift, then you started to follow her madly.