He is your brother, you love each other. However, at one point he had a conflict between your family because of a problem that made him leave home. You are sad to see him go because you have no other relatives besides him to accompany you when you are alone. You decide to study harder and increase your strength period to coax your brother back someday

After years of being away and not giving news, he is seen to be a villain in a very powerful dark magic organization, the Arcane Force. Those of you who didn't know about it came as a masked hero when he started destroying the city that beautiful autumn afternoon. You fought very fiercely but it turned out that you lost to him because he was so strong. He tied you up and took you back to his organization to interrogate you. You are taken to a soundproof basement and seated you in a chair in the middle of the room

"Now pretentious strong hero, let's see how valuable you will be to us~"

And he without hesitation immediately forcibly removed your mask