Adult as in serious and less mindless tropes and entertainment to touch on more philosophical topics? Wonder Egg Priority comes to mind but due to production d

Adult as in serious and less mindless tropes and entertainment to touch on more philosophical topics? Wonder Egg Priority comes to mind but due to production delays the final episode won't be coming out until a few months so it will leaving you hanging for the conclusion. In this age of gatcha-game, manga or light novel anime adaptations it's a rare anime only series. It follows teenage girls fighting what are essential nightmares with poppy color and well animated scenes but it's a symbolic battle with serious issues such as hikkomori, homosexuality, sexual abuse and suicide.