With a class full of "energetic kids" teacher Mike Susuki has her hands full. the kids don't take her seriously because she looks like little kid herself.

Hakuno Kishinami finds himself in the midst of a Holy Grail war with no memories of how he got there. Through his confusion, he must fight to survive.

Jun is a total recluse who won't take a step outside his house and only loves online shopping. When Jun winds up a doll that suddenly appears in his room because of his mail-orders tendencies, he has no idea what he's in for. The doll comes to life and proclaims herself to be 'Shinku'. She later binds Jun to her as a medium, her counterpart, and her magical power source, in an attempt to save his life. And so starts the beginning of a chaotic life for the Sakurada household as more Rozen Maidens arrive on their doorsteps. But what are the Rozen Maidens and why do they exist? And will Jun learn to open up his heart and face his fears? The main characters are: Sakurada Jun - The main lead of the story who has to learn to face his fears, thanks to the arrival of Shinku. The interaction between Jun and Shinku are often funny and at times, touching.

A disastrous school trip leaves four students stranded on an uninhabited island. Staying alive on a deserted island is easy for Homare, thanks to her survivalist father's training. While the others struggle, she shows them that being isolated may not be as dreadful as they thought.