Mikoto, a high school student who lives alone in an old apartment, started dating Murakami, a university student who lives in the next room. Living under one roof, she's happy that she can be lovey-dovey every day with her boyfriend, but reality is somewhat different… Also includes three unrelated short stories: Story 2: Springtime Do Re Mi Izumi is surprised and flattered when she is suddenly asked out by the local boys' school's heartthrob Hasegawa. What she also doesn't expect is the cold disapproval of his best friend, Rennosuke. Story 3: A Happy Heart Fukuzawa Makoto is the chairman of the discipline committee. Shiba Emi has a super big crush on him so she attempts to get his attention by breaking the school dress code. Find out what will happen between her and Fukuzawa in this cute romantic one-shot! Story 4: To Pursuit Happiness Marie has a crush on her childhood friend and classmate, Takuya. But what will she do when Takuya seems interested in her best friend, the school madonna, Tanebako?