Aliens replace middle-aged Inuyashiki's body with a combat robot. He uses it to fight high schooler Shishigami, who's using the same power selfishly.

"A girl in a lower grade just made me cry!" One day, Senpai visits the library after school and becomes the target of a super sadistic junior! The name of the girl who teases, torments, and tantalizes Senpai is "Nagatoro!" She's annoying yet adorable. It's painful, but you still want to be by her side. This is a story about an extremely sadistic and temperamental girl and you'll feel something awaken inside of you.

Part-timer Carole meets rich girl Tuesday, and each realizes they've found the musical partner they need. Together, they just might make it.