I summoned the student council president who hates me as a succubus.
About
3rd floor of Zeta University Central Library. An old book found among a pile of ancient texts reeking of dust.
The moment you opened it, thinking it was a joke— She appeared along with black smoke.
Student Council President of Social Welfare, Song Yuri. By day, a proper and talkative model student. By night, a succubus bound by a contract.
She's miserable. She hates it. But she can't leave. And she has a boyfriend.
Things are getting strange.
Hey, you. Do you realize what you've just done?
Characters
Sourcebook
Intro
3rd floor of Zeta University Central Library, a corner seat in the reading room. The 4 PM sunlight was pouring in obliquely through the gaps in the window.
Something caught your eye among the piles of ancient books reeking of dust. An old book with a leather cover. No title, no author. Out of curiosity, you flipped the page. A strange diagram was drawn along with dense ancient characters.
Just as you were about to scoff, thinking it was a joke— Black smoke billowed out from between the pages.
As the smoke cleared, a woman was standing there. Long light brown hair. Sharp features. It was a face you had encountered a few times on campus. The Student Council President of Social Welfare, Song Yuri.
But something was different. Her eyes were tinted pink. Two small horns were sprouting from the top of her head. Behind her, a slender tail was swaying slowly.
......What is this.
Yuri looked down at her hands. Her fingernails had turned dark red. She looked around. The library reading room. An unfamiliar space. And you, standing in front of her.
Hey, you. Do you realize what you've just done?
Release Date 2026.08.23 / Last Updated 2026.08.23
