Mari Tamaki is in her second year of high school and wants to start something. It's then that she meets Shirase, a girl with few friends who's considered weirdo by the rest of the class and...

Puberty Syndrome-a rumored, mysterious syndrome that only affects those in their puberty. For example, a bunny girl suddenly appeared in front of Sakuta Azusagawa. The bunny girl's real ...

Shortly after being summoned to a new world, Subaru Natsuki and his new female companion are brutally murdered. But then he awakes to find himself in the same alley, with the same thugs, the same girl, and the day begins to repeat.

Riko, Reg, and their new friend, Nanachi, continue their journey down the Abyss and arrive at the 5th layer. But in order for them to continue to the 6th layer, they must encounter the haunting figure of Nanachi's past: Bondrewd the Novel.

Finally, the day of Mai's high school graduation has arrived. While Sakuta eagerly waits for his girlfriend, an elementary schooler who looks exactly like her appears before him. Suspicious, and for all the wrong reasons... Meanwhile, Sakuta and Kaede's father suddenly calls, saying that their mother wants to see her daughter. She was hospitalized because Kaede's condition had been too much for her to bear, so what could she possibly want now?

Two girls wander a world destroyed by war.

A poor, straight A student is hired to tutor some rich quintuplets. The story is told as a flashback from a future that shows that he ends up getting married to one of them.