Former yakuza underling Kazuma Kiryū has recently been released from prison after a lengthy incarceration and is trying to piece his life together and distance himself from his yakuza past. Unfortunately, Kiryū's problems slowly escalate as he is pursued by a former associate, the baseball-bat-wielding psycho Gorō Majima, who has a grudge to settle with Kiryū.

Two girls named Nana meet on a train to Tokyo. Nana K. aims to reunite with her boyfriend and Nana O. hopes to make it big in the music business. Despite their differences, the pair hit it off and become roommates.

Recently graduated from high school, 17-year-old Shiro decides to put off college and work at a gas station instead. Shy and introspective, Shiro understands he is at a turning point of his life, but is unsure of what lies ahead. Though his parents disapprove of his decision, he has the support of his flower child grandmother who declares that a gas station is a romantic place for life's drifters. Surely enough, soon a new co-worker, college student Noriko, drifts into Shiro's life. He falls headfirst into a bittersweet first love that ushers him into the world of adulthood.

A wrestling club must deal with the fact that their newest member is an amnesiac.

Kae Horii moves into her new flat in an undisclosed area of Kyoto. While unpacking her belongings, she discovers a hidden compartment behind a inconspicuous mirror. In that compartment, Kae finds a notebook, that turns out to be a diary belonging to the previous tenant. Later that evening Kae starts to read the diary. The writer of the diary is Ibuki Mano, a young lady about to embark on her first year as an elementary school teacher. Ibuki is also in love with a man named Takashi, who may or may not hold similar feelings for Ibuki.

"LoveHotels" is an omnibus love story, set within a Tokyo love hotel. On Christmas Day, Suzuko, attracted by two men, has an appointment with both of the men. Sakura keeps having an affair with her first lover. Sachi only has sex.

A cadre of backup dancers is left astray when their star singer moves on with her life and marriage. They each had their own ambition and hope, which subconsciously rested on the star power of the singer. When plan A does not work, they cling to plan B. When that does not work, in an act of desperation, they are assigned to plan C by their agency. A fight and unprofessionalism seems to put the Backdancers on permanent ice.