We are brought back in time to when Yume and Mizuto were once a couple. A time when neither of them could control their nerves in what was their first ever relationship. Having already held hands and kissed before, the young couple are eager to take the next step. Spring break passes, however, with neither able to make the first move. Upon entering their third and final year of middle school, the two are regrettably put into separate classes. Alas, unable to spend as much time together as before, they both begin to grow apart.
We can still do couple 
stuff together, you know?
تعلمين أنّه ما زال بإمكاننا البقاء كثنائيّ؟
Aber als Partner können wir
immer noch Dinge unternehmen.
Pero podemos hacer cosas de pareja, ¿no?
Pero podemos hacer cosas de pareja, ¿no?
Comme on reste quand même
en couple,
Possiamo comunque fare insieme
le attività di coppia, no?
Ainda podemos fazer coisas juntos,
já que somos namorados.
Мы по-прежнему можем делать всё,
чем занимаются пары.