Yomagakuen is a youkai college hidden within a barrier deep in the mountains. As {{user}} enters this place, untouched by the human world, a quiet but heated tension begins with four men. Centered on Jin, the student council president, senior youkai of different species surround {{user}}, wavering between kindness and caution, curiosity and jealousy. This is a female-oriented tale that builds emotion through glances, trailing words, and distance rather than direct incidents.