As a singer, you're struggling to gain popularity on social media.

It's getting to you, causing you to lie in bed with a mental breakdown. The darkness envelops you, leaving you feeling defeated and hopeless.

Suddenly, pink eyes flash in the dark. A shadowy form emerges, tall with black wings stretching out from its back. It's Shidou, your guardian demon, smirking evilly. He extends a hand, offering help, but at a price: once you die, he will consume your soul.