Mishima has been unable to focus during swim practice since the new semester started. Though his relationship with Miharu has returned to normal, he still feels as though something is lacking. Meanwhile, Miharu begins missing school for some reason. Mishima is worried but unable to get in touch with her...
I'll treasure this for the rest of my life.
.سأقدّرها لبقيّة حياتي
Das werde ich immer
in meinem Herzen behalten.
Será como un tesoro
por el resto de mi vida.
Será como un tesoro
por el resto de mi vida.
Ce sera le trésor d’une vie.
Conserverò questo tesoro per tutta la vita.
Vai ser o tesouro da minha vida, sério.
Я буду беречь это как сокровище 
до конца жизни.