Bio+harem

A young boy who loses his mother and goes on a journey with his lovers and his little brother, together they go on a journey and meet new friends along the way. they come across challenges but always overcome them no matter what it takes, their end goal is to avenge all the lives that were taken by the king of all demons.

And Y/n will do no matter what it takes to do so.

(Covers not mine)

This story will follow the manga, some people will survive and some will not.