- After being told that she wants to go to the city with him, Hibiya delightfully accepts Hiyori's request, only to be half-forced into staying for a summer in the city by her, whom he has unrequited feelings for.
- They visit Hiyori's sister Ayaka's home, but because Hiyori falls for a boy they meet there, Konoha. He's hit by intense feelings of jealousy.
- One day, Hiyori saw a cat and chased after it. Hibiya only followed, but stopped her when he saw something strange about the cat. Hiyori, vexed, taunted at him, which made him regret doing so. Hiyori then spotted Konoha standing near them. Anguish, she ran away into the streets. Hibiya tries to stop her because a truck was coming, but he was too late, and was sucked into the Haze with her.
- Hibiya gets spotted by Ene being together with Konoha after an accident. He gets taken to a hospital together with him.