The room went quiet, save for the rain. I stared at the ceiling, acutely aware of the person sleeping just a few feet away, wondering if the next two days would feel like a visit from a relative or something entirely new.
Based on the title, you are likely referring to the Japanese adult visual novel or anime content titled Shinseki no Ko to Otomari dakara de na (親戚の子とお泊りだからでな). shinseki no ko to o tomari dakara de na od hot
Below are the most likely matches based on common titles and search trends: Shin Sekai Yori (From the New World) The room went quiet, save for the rain
Dystopian Sci-Fi, Psychological Horror
Words like “hot”, “not”, “to” may be leftovers. The room went quiet