Hayama, a struggling student who is on the verge of losing his university credits, is assigned to help wacky genius Professor Shiina with an experiment, with a promise that he is exempted from repeating the year by assisting. However, the mysterious drug used in the experiment is a "clutz-inducing" drug that causes a sticky love situation. The days of Hayama, a (presumed) virgin, being subjected to sexual harassment by the professor begin...
This was so sweet. Its hard knowing that his body is telling him something that he doesn't want to admit yet. And I loved seeing the professor's sweet vulnerable side.