Valentine's Day is approaching; Hosaka is still trying to express his love to Haruka by cooking, cross-dressing Mako-chan fears to be found out, Kana-"sensei" teaches the other girls how to "win" Valentine's Day, and Fujioka is desperately trying to receive Kana's chocolate.

It's been several years and Kyosuke Kasuga is now 19. A mysterious phone call warns him of oncoming cars but he doesn't listen. Ironically, he gets hit by a car and because of his telepathic abilities, gets sent three years into the future. His 22 year old future self is now a photographer who is lost in Bosnia and believed to be dead. Kyosuke must find his 22 year old future self and restore himself, the 19 year old, to his correct time. Along the way he reunites with Hikaru who is now a professional and famous dancer. Madoka is also there, distraught over both Kyosuke, the 22 year old, going missing in Bosnia and Kyosuke, the 19 year old, getting hit by a car.

The novels center on a bar called "Nobu"—located in Kyoto, Japan, but with a door that is connected to the bar in another world. The visitors include denizens of the other world, and customers seek out its excellent "Toriaezu Nama" ale and cuisine. (Source: ANN)

Doraemon and its friends open a hole in the time and they're travel to the Country of Mayana, a lost Mayan civilization in the jungle. There, Nobita will know its perfect double, prince Thio, heir to the throne. Both will decide to interchange papers to try to save to the Country of Mayana of the claws of the infernal Ledina witch and her evil forces. (Source: ANN)