In the dormitory of an all-boys school, Mao ends up sharing a room with Hisashi. They make three promises to each other: "Mao won't disclose that Hisashi is gay and has a boyfriend," "Kotobuki won't see Mao as a romantic interest and won't make a move on him," and "they won't interfere with each other's private activities."
There's only three months left. 
It might not be enough.
Ja, in drei Monaten –
also viel zu wenig Zeit.
Solo nos quedan tres meses.
Puede que no alcancemos.
Solo nos quedan tres meses.
Puede que no lleguemos.
Mancano solo tre mesi.
Potrebbero non bastare.
Só temos mais três meses, é até pouco.
Через три месяца всего…
Времени прям в обрез.