Momo Mimi ♥ Pheromone

In an all-boys' dormitory, it is common to engage in flirtatious behavior with roommates. Mao struggles to conceal his true feelings for Hayato, especially after Hayato compliments his scent. However, Hayato is also drawn to the scent of others, complicating Mao's emotions. The story includes various short scenarios and side stories, such as encounters during lunch breaks, interactions with a childhood friend who works as a maid, and events like birthdays and summer vacations. Other segments involve themes of attraction and relationships, including interactions with teachers and moments set in locations like a pool and a summer festival.