When people experience their coming of age cerenomy, they gain 3 skill slots filled with 3 or less kills depending of their slot cost. Our hero gained skill which uses all 3 slots. Skill he gained is famous for being the worst and for good reason. He felt hopeless until he meet person who found out how that skill could be used. He does not gain sudden power up but he is determined to change himself while everyone overestimates his skills. He is always the one most suprised about what he could do. It is just his skills are highly situationals. Volumes 4 and 5were the weakest, but rest after those make up for those.