Every anime and manga has a point where shit happens.
Inuyasha was good before Naraku. Full Metal Alchemist was fucking awesome before Dante. Death Note was good until L. Code Geass was good up until the end of the opening song. Gurren Lagann was good up until Kamina died. Happy World was good up until the kid was shown to be a half-angel badass. Then, it got good again when ANGEL RAPE AND ISRA-NEESAN