The phrase (which likely corresponds to your query) refers to a specific adult-oriented Japanese media title, often translated as "Staying Overnight with a Relative's Child" .
The original text:
Shinseki no Ko to O Tomari Dakara (Japanese: 親戚の子とお泊まりだから, meaning "Because I'm Staying Overnight with my Relative's Child") is a controversial adult-themed anime (hentai) and manga series. It gained viral attention on platforms like TikTok and Instagram primarily through edited clips featuring smooth "jumpstyle" music and high-quality animation. shinseki nokotowo tomari dakar english sub work
Typesetting and styling (.ass)
If you are looking for this specific work, you may also find it under these names: Staying with My Aunt Shinseki no Koto o Tomari dakara: The Animation original manga this work is based on? Japanese Family Members Explained | Kazoku vs Shinseki " Shinseki no Ko to Otomari " The