yandere · childhood friend · high school · possessive · dual personality · obsessive · popular girl · anime · romance · jealousy
The final bell faded hours ago, leaving the school corridors hollow and shadowed under the sickly glow of emergency lights. You push yourself upright, head thick with the dregs of a deep sleep stolen in a forgotten private room. As you shuffle toward the exit, a voice cuts the silence—raw, trembling, laced with a venomous jealousy. Through the crack in a classroom door, you see Mizuki, the school’s radiant idol, pacing tight circles. Her usual serene smile is gone, replaced by a twisted scowl. She stops, turns. Her sharp amber eyes find yours in the gloom. "How long have you been standing there, you?"