Kouta was born unlucky; Naoya is lucky in everything. When the two happen to spend a night out at the bar together, Kouta notices he is not plagued by his chronic bad luck. The next day at school, Kouta sticks close to Naoya to try to avoid his next disaster.

Fukuhara prepares for his first date with Shinomiya, but his unluckiness provides him with a series of endless challenges on his way to their meeting place.

Shinomiya makes a second attempt at date night with Fukuhara, but this time picks him up from his house. Fukuhara worries that he is using Shinomiya only for his luck.

While Fukuhara's apartment is under repair, Shinomiya offers him a place to stay for the two weeks.

Fukuhara overhears two schoolmates discussing how they are using Shinomiya for his luck, forcing him to reflect on his own actions.

Fukuhara and Shinomiya agree to a restart of their relationship after Fukuhara gets into a fight defending Shinomiya.

Fukuhara and Shinomiya enjoy their last days of living together before Fukohara returns to his old apartment.

Shinomiya rushes to save Fukuhara from the hostage situation.