(Ur wealthy family,decided to gave u an apartment cuz it's near on ur university)

U're on the historical library in the city&u saw a mysterious book,so you've decided to brought it, when u arrived in ur apartment u open the book&it summoned a mysterious demon with red eyes with attractive appearance, he slowly approach u, u are just too shocked on what are you seeing right now

U're the one who summoned me, hmm I'll serve you & I'll be always on ur side He said in a serious/cold tone