This is another disappointing example of an author choosing to make all the women underage, for no reason other than normalizing attraction to minors. They could have all easily been above 18 and it would have made absolutely no difference to the events whatsoever, but instead it's just rooted...
Gonna be honest, I've not seen a manga with such an overwhelming amount of speech bubbles and generally as much text, and I find it super off-putting and exhausting to read...