「親戚の子」とお泊まりだから... (Shinseki no ko to otomari dakara...) "Porque me quedo a dormir con el hijo de un pariente..."

So literally: “Relative’s child and friend staying over, that’s why Spanish.”

: Originally a visual novel, it gained wider attention through its high-quality short-form anime episodes. 🎨 Visuals and Production

Depending on whether you want a direct translation or a "proper post" (caption) for social media in Spanish, here are a few options: 🇪🇸 Opción 1: Direct & Natural (General)

"Konshuu wa , isogashii desu." (Este fin de semana me quedo a dormir con mi primo, así que estoy ocupado).

: Often confused by name, but a high-tier sci-fi/horror masterpiece.