I completely agree
for example even if he didn’t say it explicitly, he was clearly affected by his mom dying & felt guilty about enjoying the day with ml not knowing what happened & then it’s just never mentioned again?
Or even how it's basically started like 3 different times. You think "oh it's a little dork and mysterious blonde" "oh it's this lady's weird brother being a predator in a triangle" "oh he's disappeared and there's gonna be a time skip" and none have planned out
It's just a series of strung together events that don't really affect the next one. Kinda disappointing considering that it's the author of Hate Mate, which did feel very tight narratively.