Hints are bugged horribly, first there are hints that are completed but still showing in the table. Second there are hints that don't exist and don't show but you need to do them to progress.
Every single episode of this game is bugged. The only one I managed to complete is 11th.
The dollar drain and the grind chore on E7-9 is insane. Each girl is a prostitute that spends 2000-3000$ a day from their sole benefactor. The MC is traditionally a spineless cuck.
The hints progression is also absolutely insane. Like at least cut those hints in two. You replay the same scene 6 times, nothing changes in it at all.
Some of the hints/bookmarks, like a big chunk of them are blatantly reused from episode to episode. So you repeat the same actions, with the exactly same dialogues and exactly same pictures, to fullfill another episode.
The arousal stat is dumb, it keeps decreasing on its own throughout the day, and to fix it you have "to spam messages to the girl".