What Does Taking a Nap Do? Its Bugged
Suggested fix (unconfirmed): Avoid taking naps to prevent unexpected stress, cleanliness loss, and unwanted time progression. Keep your desire below 100% before sleeping to avoid wet dreams.

1 fixes · 1 how-to answers · Steam discussions
Suggested fix (unconfirmed): Avoid taking naps to prevent unexpected stress, cleanliness loss, and unwanted time progression. Keep your desire below 100% before sleeping to avoid wet dreams.
Suggested fix (unconfirmed): Ensure you have completed all standard sex scenes and reached the game's progression point where the girls can get "heat" (high desire). Build a girl's max desire the day before, and visit the church in the evening on her designated days (Kasumi Mon/Tue, Ayano Wed/Thu, Shizuku Fri/Sat).