Ntr Netorare Gakuen — Hana No Joshi-tachi To Isekai Kara No Raihousha Side Seigi

The story begins with a heavy atmosphere hanging over Seiou Gakuen. Rumors circulate about a "Special Guest" residing in the old dormitory. The male student population is demoralized; the school's brightest heroines have become distant, their eyes often vacant or tear-stained.