I can't say how great the manga when I haven't read it in depth. I skimmed a few chapters and saw some scenes omitted and could understand why production for the anime was rushed. The anime is more of a commercial thing rather than an art. Everyone else is only a Ye Xiu pawn to make him look good. One Punch man carried the OP character right. The story doesn't necessarily have to focus on the MC to make the MC connect and look good. Chinese cinematic production suffers these lack of story telling especially on live action. Still commendable is their level of animation for the intense fight scenes.