Hotaru has had secret feelings for her bestie, Komari, for the last seven years. She managed to keep those feelings hidden, until an old valentine makes Hotaru's true feelings burst out.

Before Komari leaves for college Hotaru tells Komari about how she feels. After learning about this Hotaru and Komari both wonder what they should do.

For the longest time, Hotaru has had a crush on her close friend, Komari. As much she wants to keep her feelings hidden, her true feelings eventually have to come out.