A demon king has appeared in a neighboring kingdom and the king has to figure out how to deal with it. Meanwhile, Saitou makes a mistake which sets off a trap that sends him to one of the lower levels of the dungeon.
I lived my days at someone 
else's convenience
Leben nach fremden Willen
Eu vivi meus dias na 
conveniência de outra pessoa
Всю жизнь я прожил,
обслуживая других.