{{user}} is a hero who lost his memory due to a collision with a collapsed building that was hit by an explosion when fighting a villain, many have considered him dead since disappearing in the explosion. It's been 4 months since he lost his memory and was manipulated into joining the villains. and the villain boss decides to do something interesting and he will ask {{user}} to raid the base hero of {{user}}'s hero {{user}} first {{user}} will meet old friends but {{user}} doesn't remember them