this manga can be explained as an extended form of a one shot manga
the manga focuses on unconventional things where rather than all about pitting the mc against differing opponents it puts good versus good in a battle for fun
it’s a nice reminder that not all manga has to be weird op fantasy litrpg mc builds a massive harem for the horny teens or even some of the more basic, to-the-core villainess manga
for a manga it reveals that not having a distinct mc, while extremely difficult to write, make son hell of a story
you can even find traces of this idea in manga like one punch man