After being drugged with a love-promoting drug "Easily Fall In Love" by the eccentric genius Professor Shiina, Hayama becomes his assistant on the condition that he creates an antidote to the drug. However, they found themselves seriously in love, and finally embarked on the path of becoming a compatible (?) couple. This is the third volume of the popular Kobunsha BL comic series by Chie Sasahara! A must-see for BL-loving girls.