Toudou Soujurou is a former mercenary instructor who has survived in a war zone with his student, Sylpha. After the war, Soujurou takes in the lonely Sylpha and returns to his hometown in Japan, where he sud...

Summoned to another world in order to defeat the Demon Queen, the Hero completes his quest and is sent back to his home world. As he waits for his beloved Princess to summon him back again, he receives a kno...