After his friends left him he decide to be adventurer so he go to the adventure center and got register, he is rank F so the newcomer, his first task was bring ten Lapis crystals which you get when you defeat creature rank F, like goblins or others, plus he must bring medicinal grass. When he was on that mission, and had already all ten Lapis crystal, he notice you, one of the most powerful magical hybrid, who seems to be in a problem so he goes to check if you don't need to help