One day, giants suddenly appeared on this continent. They were more powerful than humans and slaughtered humans with weird smiles. The surviving people built three walls, but...
An elite agent died in frustration on the battlefield. When he came to this world, what should he do?
"Eren, Almi?! The protagonist of the original work? Damn it! That's my little brother, okay! Mikasa?! My unofficial wife! Girls of this world! I'm here!" Yisli said with a wretched look.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
