Koichi Asakura, a graphic designer, recalls his brutal past encounter with Eren Yamagishi back in high school.

Mahiru is so beautiful that they call her "angel", Amane is an average boy who has never thought much about beauty, but everything changes when he sees Mahiru during a storm, and an incredible and unlikely relationship begins.

After following some advice from a mysterious NewTube channel, Hobin is soon knocking out guys stronger than him and raking in more money than he could have ever dreamed of. Will Hobin be able to keep this up?