He chose to sacrifice himself in order to save everyone.
The price of salvation is to travel to another world and become another self.
So will he choose to become the harem king in this Lily episode, or will he choose to fight for his sister and save the world?
This book is also called The End of the Ideal, and is also serialized in Zuke.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
Author, please come back to life quickly