After the break up of their old band, guitarist Yuki & drummer Santa decide to form a new one. They recruit bass player Towa, young guitarist Atsuro, and after much persuasion, vocalist Sakuya. Together they form Lucifer and they struggle to make it in the music business, and also to stay together. As well, they have to deal with personal issues, such as parental objections, and watching their old bands succeed ahead of them. Sakuya is the most troubled band member, as he has to deal with his tragic past, and his relationship with teenaged lyricist Aine.

During the civil war a girl living in Virginia, named Jeanie, waits for her old boyfriend Robert to marry him, according to a childish promise, but the war makes the things complicated and, Robert comes back as northerner soldier. Only with the conflict's end, and many misadventures, their dream will become true.

Hikari is a young school girl who dreams of becoming a great champion in the sport of rhythmic gymnastics like her idol, Diliana Gueorguiva. Despite all her setbacks while performing, she works hard and with the help and support of Takaaki Oiishi (the best male gymnast of her school) soon becomes a member of the rhythmic gymnastics team in her school. She develops feelings for Oiishi, but she is not the only one—Hazuki Shiina, the best gymnast in the entire school, also has feelings for Oiishi. Soon a friendship between Hikari and Shiina develops, but also a rivalry as well in the sport and for the love of Oiishi. Hikari is also torn between her feelings for Oiishi and her conflicting feelings for Mao Natsukawa, an old childhood friend, who is also the lead singer of the band called Mr. D. He composes the music she uses while performing, and has been developing feelings for her since childhood.

A kitten, abandoned and left for dead along with his siblings, is taken in by Tomu Kusanagi, who nurtures him and discovers that the tangerine cat he so adores is actually a genius who can talk, walk, read, and has even acquired a taste for liquor!