Kuro wants to become friends with Shirai, because she admires her and feels they have something in common (i.e. hating Aoki). As a sign of friendship Kuro gives a white hair pin to Shirai and wears a black version herself. One day, Shirai inadvertently hurts Kuro's feelings by dismissing her infatuation for Rin as abnormal. After realizing what she has done, Shirai eventually decides to wear the white hair pin in front of Kuro, making her very happy. Shirai ponders what her life would be like if she had a friend like Kuro in her youth.
Kuro quiere hacerse amigo de Shirai, porque la admira y siente que tienen algo en común (es decir, odiar a Aoki). Como signo de amistad, Kuro le da una horquilla blanca a Shirai y ella misma usa una versión negra. Un día, Shirai inadvertidamente hiere los sentimientos de Kuro al descartar su enamoramiento por Rin como anormal. Después de darse cuenta de lo que ha hecho, Shirai finalmente decide usar la horquilla blanca frente a Kuro, haciéndola muy feliz. Shirai reflexiona sobre cómo sería su vida si tuviera un amigo como Kuro en su juventud.
