Noa, a female college student, has been hired as a part-time tutor. She thought that tutoring elementary school students would be easy, but her students, Shota and Miyoshi, turned out to be die-hard brats. One day, in a fit of anger, Noa slaps Miyoshi. Shota takes a picture of the whole thing on his phone, exposing Noa's weakness, and the precocious brats start playing naughty pranks on her big tits...