Yamaguchi Reo and Nomura Eita are a university couple studying organic chemistry. One day, Eita gets jealous of Reo's closeness with his female friends, and they have a big fight. Meanwhile, a search for an escaped cat begins on campus... As the two search the campus separately, memories come back to them. Reo doesn't want to hide that he's gay, but Eita wants to hide it. They meet and are attracted to each other, but they can't get closer. How will they come to terms with each other's values ​​and become a couple?