After spending their first year of high school in peace and quiet, Haruka and Makoto run into Nagisa, a new student who was a member at a swimming club with them when they were kids.  That swimming club is being torn down, so the three of them sneak in to dig up a time capsule that they buried in the back, which is when they are reunited with Rin, the fourth member of their group who left to study abroad.
Rin-chan was really weird.
Rin-chan war wirklich komisch.
Rin-chan estaba extraño.
Rin-chan estaba muy raro.
Rin-chan era strano.
Rin-chan estava muito estranho.
Ринчик странный был.