This had such a good start. Sure the characters are a bit cliche for this kind of manga but it suceeds on almost all fronts especially character development. Then it just stops, post nanami arc it can't handle the introduction of all these characters so does the common and boring way to introduce them that is by putting them in a competition with the main characters, this is rarely pulled off well and cant ever be more than a mediocre writing device. Its done badly and makes writing feel rushed as it tries to introduce them mid fight effectively. The story doesnt pick up after that as basically the remaining half of the manga has no focus and is written like a slurry of shit being poured into your mouth in a funnel.
I really wanted this too be good, it doesnt look like its going to pick up again.