A strange girl dressed like a nun appears before Yota Narukami and declares she is an omniscient god. As he attempts to return her to her house, she endeavors to prove her power to him.

Yota brings Hina to his house. Hina hatches a variety of schemes to help Yota get closer to Izanami. Yota helps his sister with a summer assignment.

Sora wakes up and tells her family about her friend's failing ramen restaurant. Hina hatches a plan to save it. Meanwhile, a mysterious boy returns to Japan.

While studying with Izanami at the library, Yota learns of trouble in the Izanami family. He and Hina want to help, but the issue is so great it looks like magic will be required to solve it.

Yota wants to study, but Hina is dying to go to the summer festival. Yota calls together the members of their motley crew to make summer memories.

Sora needs Yota and Hina's help to shoot a movie. Hiroto's investigations of Dr. Korogi may finally bear fruit.

Yota becomes motivated to learn more about where Hina came from. Finding out more entails traveling to a beach far from his home town. Since Hina has never seen the ocean, the two take the trip together.

Hiroto's investigation finally leads him to uncover Dr. Korogi's secret. What will this mean for Hina and Yota?

The end of the world has come and gone. Yota's efforts to find Hina turn up nothing. However, a lead is sitting under Yota's nose. Will he realize before it is too late?

Yota has finally found Hina, but she recoils at his touch. Yota's false identity will only last 2 weeks. Can he turn the situation around before then?

Yota's time at Yamada Sanatorium is coming to an end. Will he have to say goodbye to Hina forever?