I mean, yeah, the gags and the little plots (that rarely amount to anything important) were interesting the first 100 times, but now it just seems to be dragging on into oblivion with no hint of real character development.
I've read other shoujo before that kinda have their own plots within plots that are meant to be more fun than serious, but even those series managed to make those chapter matter somehow in the end, or at least by the end of the chapter added onto the characters growth in some small fashion. I feel it's terrible if you're able to skip 15 chapters and not have it effect your understanding of the story.
The characters in this series never change. Even the changes they had in the past are quickly regressed the next chapter.
It's just getting so boring and repetitive, I want to see some real movement now. We rarely ever see any at all and it feels like an eternity since the last important chapter.
i have read and absolute shit ton of manga, and what you are looking for is something that either needs to be planned for from the get go and be well thought out, or needs to be a short story with a few volumes.
its VERY rare for characters to grow outside of a world changing ( at least their world ) event and even than the change is usually the extreme and not gradual.
i see this manga as a joke story every single chapter, with the rare ones that go on for 2 or 3 chapters. if the book just up and did a 180, even in short order, it wouldn't feel right. i got to around 110, and to me, the story feels like it could end on a somewhat satisfying note if the need ever comes. till than, i think that as long as a new situation crops up i would keep reading it.