College student Yakumo Saito can see ghosts with his red left eye. Associate professor Gakuto Mikoshiba is a genius mathematician. When a ghost begins possessing students at the college, the two must team up to discover the truth of what's going on.

Hanako, the editor-in-chief of a fashion web magazine, is shocked by the splendid crotch of a new employee, Itaya. In order to succeed at Itaya, Hanako enlists the help of Momoko, an actress who is Hanako's college classmate and who is a big fan of Hanako's.