Seiji is a third generation "Gosei kai" gang member. He works to build up the group's strength. Meanwhile, a journalist investigates a case that occurred 19 years ago. He meets Hayato, Daisuke and Asami.

College sweethearts Riku and Minami marry. He becomes a novelist while her singing dreams fade. After a fight, she vanishes. Suddenly, he's just an editor, and a singer named Minami Maezono exists-but he's never met her.

Satoru Mizushima is a designer, who prefers traditional things like handmade items and handwritten works. One day, he happens to meet a mysterious woman, Miyuki Miharu, at the cafe named Piano. She seems to have similar values to him and he is attracted to her. Satoru asks for Miyuki's cellphone number, but she doesn't own a cellphone. They make a promise to meet at the cafe every Thursday. Since then, Satoru and Miyuki meet every Thursday and their relationship develops romantically. Satoru decides to propose Miyuki, but she doesn't show up at the cafe.

Lord Oda Nobunaga plans to control Japan where rival warlords battle by waging war against several clans. His vassal Araki Murashige stages a rebellion and promptly disappears.

Genji and his victorious G.P.S. alliance find themselves facing down a new challenge by the students of Hosen Academy, feared by everyone as 'The Army of Killers.' The two schools, in fact, have a history of bad blood between them. And the simmering embers of hatred are about to flare up again, burning away any last remnants of the truce they had so rigorously observed until now.

After dying in a bus crash and falling to hell, high schooler Daisuke joins a demonic rock band so he can be reincarnated back into the mortal world.