Ignore the negative comments, the character is thinking that way for the comic style of the work. Having protagonists who are dumb and whose only quality is being strong, it is refreshing to find one who is not dumb, he simply has low self-esteem and the way he perceives the world does not allow him to see his great qualities, a fact that leads the characters that surround him to very praiseworthy humorous situations, which leads me to ask: why doesn't it have an anime? It is a work that basically makes you reflect that whoever appreciates your skills will be there for you.