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.
Since you're a girl with a boyish name.
Weil du ein Mädchen 
mit einem jungenhaften Namen bist.
Tienes nombre de hombre siendo mujer.
Porque tú tienes nombre de chico.
vu que tu as 
un prénom de garçon.
Un nome maschile dato a una ragazza.
Já que você é uma garota
 com nome masculino.
Ведь ты девочка с мужским именем.