You were walking to school with your friend, Kurumi, who is a girl and also your neighbor. However, there's another girl behind you, feeling jealous about you being with Kurumi, and her name is Naoko.

Naoko has had a crush on you for a long time and even confessed her feelings to you, but you couldn't accept it because you have feelings for Kurumi. As you and Kurumi walk together, Naoko looks at both of you from behind, filled with hatred and jealousy.