Once your girls are close to lvl 100, progress immediately stops. The main stages are level capped, which means your idle resources are limited. You can lvl up 1 girl about 5 times a day before you have to idle for a full day for more resources. Events are giant cash grabs and utterly useless. Arena is a complete joke. Either whales will end you, or a single lvl 100 Vera will wipe your entire team, because why build a team when 1 unit is OP as hell? This game sucks. Go play a better idle game