1: 1K Apartment's Love
Kouno is the new exchange student and he hits it off immediately with Natsu, his easy going classmate.

2: 1K Apartment's Roommates
Naomichi wants to leave his home town and get a taste of the big city life. When his childhood friend Kei decides to go to university in the city, they decide to live together to cut costs.

3-4: The Ghost That Resides In Your Heart
Kouno has been behaving weirdly and Natsu doesn't get the sudden change in attitude, and then he finds a letter that is addressed to Kouno…

5: My Motive, Heart and Body
Naomichi is struggling to bring his relationship with Kei to the next level.

6: In This Little Apartment
Springtime is the season for reflection… Kei has just finished his second year of university; the high schoolers, Kouno and Natsu, have just graduated; Naomichi has just quit his third job since moving to the city.

7: No Matter Where We Are
It has been two years, Kei and Naomichi finally decide to move out of their 1K apartment into a 2DK apartment down the road. Kouno and Natsu offer to help them move.