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've heard that men must clean out their
pipes once in a while, or it's bad for them.
Ich habe gehört, Männer müssen hin und wieder
ihr Gemächt leeren, sonst ist das schlecht für sie.
La santé d’un homme est en danger
s’il ne se décharge pas régulièrement.
Ho sentito dire che gli uomini devono svuotare 
le tubazioni di tanto in tanto, o stanno male.
Я слышала, что мужчинам нужно регулярно 
прочищать свои трубы, иначе будет плохо.