If they wanted a happy ending, they could have done it without 80% of this thing being filler, hell, you can skip the last 3 chapters before this and no context is lost at all🙄.
I'm still expecting the nerd to possess the jock guy, and then they'll live happily ever after, but the way this is setting up makes it seem like some kind of miscarriage situation in the future. Not sure. It has been great watching Mishin's art improve since their first work.