Overview:

Late at night, the protagonist was staring at his PC as usual. Suddenly, static ran across the screen, and what appeared was a beautiful succubus.
Before he knew it, the protagonist found himself locked in an unfamiliar room. To escape, it seems he needs to collect 10 orbs hidden within the room.
As the protagonist attempts to escape, the succubus’s sweet temptations draw ever closer, gradually melting away his sanity…​