It is the final year of high school for Hirasawa Yui (guitar), Tainaka Ritsu (drums), Akiyama Mio (bass), and Kotobuki Tsumugi (keyboard); the founding members of the Light Music Club. Together with their junior member Nakano Azusa (guitar), they spend their days after school in the music room enjoying tea and sweets, and practising music. Amidst band practice, preparations for the new student orientation performance, scouting for new members, and student responsibilities they still have time for After School Tea Time.

KoiKen Love Research club member Wakamiya Kaede comments that being an idol must be extremely easy- A comment that irritates idol Toyama Nagisa. At the suggestion of her manager, all female members of the KoiKen club are invited to become an idol unit with Nagisa. Kaede then realizes that maybe being an idol isn't so easy after all...

Because of his father’s job situation, freshman high school student Kaoru Nishimi moves by himself from Yokosuka to Kyushu to live with relatives. Until then, Kaoru was an honor roll student who tended to keep to himself, but meeting notorious bad boy Sentaro Kawabuchi starts to change him. Through his devil-may-care classmate, Kaoru learns the attractions of jazz and finds the first person he can call a “friend”. He also discovers how much fun it is to play music with a pal. Other characters include Sentaro’s kind childhood chum, Ritsuko, who is the daughter of a record shop owner; the mysterious upperclassman, Yurika; and Brother Jun, the much-admired leader among their peers. Set against the backdrop of a seaside town with a scent of American culture, this series is a drama about young people coming into their own, crossing each other’s paths, and finding friendship, love, and music!

Keiichiro, a young man who lives alone in his house, went through a lot of pain in his life, since the tragic car accident that killed his parents and younger sister, blaming himself for surviving.One rainy day, he seeks shelter in an old shrine. There he notices a little girl, sitting on a chair, surrounded by garbage. She herself is garbage — an abandoned android dumped here by someone, holding a sunflower in her hands. Stricken by sudden sadness, he takes her with him to an android repair shop, where he is told that she will never function. So returning home, he dumps her in the dirty bathroom. Waking up the next morning, though, Keiichiro finds the little android girl standing in the kitchen, preparing breakfast. Still without a name — remembering the sunflower — Keiichiro names her Flower. And so begins the life for these two unlikely protagonists.

In order to be more in the eyes of the public, Miss Monochrome begins working to become a top-selling idol. Spacey Miss Monochrome once again runs around the idol show biz world, being tossed around by others.