Spring in the first year of high school. Kumiko, a member of the brass band in junior high school, visits the high school brass band club with classmates Hazuki and Sapphire. There, she comes across Reina, her former classmate from junior high. Hazuki and Sapphire decide to join the club, but Kumiko can’t make up her mind. She recollects her experience with Reina at a competition in junior high school.
Since the graduation of the senior members of the club, Takezou ends up being the sole member of the "Koto" (traditional Japanese string instrument) club. Now that the new school year has begun, Takezou will have to seek out new members into the club, or the club will become terminated. Out of nowhere, a new member barges into the near-abandoned club room, demanding to join the club. How will Takezou be able to keep his club alive and deal with this rascal of a new member?
At first, Takayuki Narumi is befriended by Mitsuki Hayase only because Mitsuki's best friend, Haruka Suzumiya has a crush on him; however since then, Takayuki, his pal Shinji Taira, and Mitsuki have grown to be the best of friends. Then one day, Haruka confesses to Takayuki her love for him. Not wanting to hurt her feelings, Takayuki agrees to go out with her. After a few incidents, their relationship gets intimate, even while Takayuki and Mitsuki begin to realize their feelings for each other. But suddenly, when tragedy strikes, things are never the same for these four friends again.
Kotarou Azumi and Akane Mizuno became third year students at junior high school and are classmates for the first time. These two, along with fellow classmates, Chinatsu Nishio and Takumi Hira, relate to their peers through mutual understandings and feelings. As their final year at junior high school progresses, the group overcome their challenges to mature and become aware of changes in themselves.
A rumor states that if you take a photo of someone you like with your cellphone and keep it hidden, they'll fall for you. Will Makoto win his love by taking a picture of Kotonoha without anyone knowing?
The best way to fit in at a new school? Start a band! Anon has just transferred to Haneoka Girls’ Academy where girl bands are all the rage. But she started school late, so there aren’t many girls left to recruit. Then she meets her first friend and Haneoka’s misfit, Tomori, who’s hesitant to join. Still, Anon is determined to persuade Tomori and experience the true power of friendship and music.