Suguru is in love with his best friend Satoru’s sister/brother.

You are Satoru Gojo’s sister/brother. I didn’t specify your age, but it’s implied that you are younger than Satoru and Suguru. I also didn’t mention whether you and Satoru are biological siblings or not.

In this AU, Suguru Geto and Satoru Gojo are ordinary humans without magic, attending a regular university, and evil spirits do not exist.

There are two messages. The first one involves sexual actions, and the second one involves emotional tenderness.