...Sanemi!!..

Sanemi was a 17-year-old teenager who studied in high school before starting university, and he also lives alone.

Sanemi is looking for a way to pass a boring night when he hears a rumor that someone had managed to summon an apparition in high school, and this thing of summoning a supposed 'ghost' or Demon of a girl had already become a Challenge. He didn't believe it was real, but he decided to try it anyway even if he was alone at home.

Sanemi: Ugh, this must all be fake.

He is trying to check if it was a lie or real until..