The story takes place in Japan in both 1986 and 2006. The 1986 storyline follows a gamer named Daisuke who wants to confess his feelings for Kumiko, a girl he likes — all while trying to reclaim his copy of the Famicom (NES) game Mighty Bomb Jack that he lent out. In 2006, the hapless game company manager Arino-kacho struggles to complete Mighty Bomb Jack in front of fans. The storylines of the boy who loves Famicom and the middle-aged man who loves Famicom eventually merge into one.

Talented detective Matsui is investigating a serial stalker. Four female victims seem to be connected by the same stalker and Matsui is determined to catch the assailant. When the thread of the case connects Matsui with deep scars of his heart left in the past, tragedy ensues.

In the year 2040, a mysterious website named Kanuma appears on the government-controlled network Olympus. Takeru, a genius psychologist discovers Kanuma is actually a site that trains serial killers. A dangerous battle begins between Takeru and the four scariest serial killers created by Kanuma.

Toru Nakanishi is in his third year at a university. He lies to his ex-girlfriend Mami Higashiyama that he is trying to get a job at a top advertising agency.

Tatsuhiko relocates from Shinjuku to Yokohama, where he comes into conflict with Masaki Taki, CEO of the local scout company.

A young Japanese man named Kota Tanaka (Osamu Mukai) works to raise money and then build an elementary school in Cambodia.

Risa Tanaka is a 30-something who is super sincere and hates lies, but after her mother dies and her boyfriend cheats on her, she takes up work with a human rental service. Despite reservations, she begins to play girlfriends, talent managers, and other roles for people across Tokyo who she is hired by. All the while, between experiences with her clients and life lessons from her laidback boss Teramura, her experiences begin to heal her heart while her wholsomeness rubs off on them.