Takaya got a mirror that reflected where he wanted to see. Moreover, it is possible to touch the thing reflected. Takaya uses that power to play a naughty prank on the girls in her class.
Ayano a childhood friend inserts it into the in addition to the prank.
A home tutor
The private tutor of Namisei Shouta was a genius girl, Konatsu, who went to school in the jump class. Shouta who is frustrated from the subject matter is being made fun of her and gives her a DVD “practice of the health and physical education”, and make her watch it. But the next day, Konatsu asked him to teach her “health and physical education”?