The Only Thing I'd Do in a No-Boys-Allowed Game World, Vol. 3 (Novel): Reincarnated as a Yuri Ship-Sinker

KNOW THY ENEMY...When the flames of a catastrophic explosion swallowed up Hiiro along with Alsuhariya, everyone was sure he died...but instead, Hiiro wakes up to discover Alsuhariya inhabiting his body! How will the number one yuri fanatic fare when his soul intertwines with that of his rival--a woman who's sworn to destroy yuri by any means necessary?! Filled with despair over this twist of fate, Hiiro finds his dorm manager being scolded for no good reason by her older sister, the brilliant mage Chris. This so-called genius is always looking down on people and doesn't hesitate to hurt feelings, so Hiiro decides to prove just how precious the sisterhood of yuri really is!