Takes place shortly after Rin defeats the impure king. Rin is being targeted by a strange demon that seems to want nothing but to see him suffer.

After being cruelly rejected by his friends when they find out he is the son of Satan, Rin Okumura has a talk with Mephisto and decides to leave everyone he knows behind. Two years later, the students of the cram school run across him again, and are unsure about how to deal with the person he has become.

"Will you be happier when I'm gone?" - Rin Credits to The Wattpad Company Editor Team for the book cover😊💕💙