Yuuto's been sent to another world, where he is now commander, or "Patriarch" of a clan of warriors.  To survive in this new world, he uses his cell phone, his only connection to the girl he loves back home.
I should've put it out in the sun more...
Ich hätte es mehr in die Sonne halten sollen …
Debí dejarlo más tiempo al sol…
Debería haberlo alejado más del sol…
Avrei dovuto lasciarlo di più al sole...
Eu devia ter deixado ele
mais tempo no sol...
Надо было подольше подержать 
его на солнце...