Yorito Morimiya prefers to be by himself instead of with friends; one night, while taking pictures, he meets a mysterious girl named Matsuri Shihou.

Takeshi calls Matsuri a calamity of the night and attacks.

After a week of Matsuri living with Yorito, Mana gets suspicious and visits.

Koyori is discharged from the hospital and has trouble telling Aono that she will be leaving.

On a cloudy day, Yorito and Matsuri decide to go out; after returning home, Takeshi appears and attacks.

After being introduced to Aono, Matsuri discovers her secret.