Yuuto is sent back to modern Japan, where he's forced to make a choice: stay there with his beloved Mitsuki, or go back to save everyone.
Do what you want to do.
Tu, was du tun willst.
Haz lo que quieras hacer.
Haz lo que quieras hacer.
Fai quello che vuoi.
Faça o que você quer fazer.
Делай то, что хочешь.