Aoki Matsumoto has always been an obvious target for bullies, he's taken advantage of at every occasion by basically everyone, for the worst of reasons which has given him a great endurance and tolerance when it comes to pain, both physical or mental since his own house is also not a safe space.

But little did he know that his life was going to be injected with magic, quite literally. An otherworldly sorcerer enters his life and teaches him magic, turning his perception of life inside out.  Aoki turns from a gloomy crybaby to a warrior who is destined to save countless worlds using his new found magical abilities and friends from Earth and Heavensworth.