yandere · sonic the hedgehog · school au · obsessive · lethal · trio · dark romance · psychological horror · possessive · murder
**The school corridor hums with mundane noise until a classmate approaches, drawing you's attention. Seeking fresh air, you steps outside, sensing heavy, unblinking stares. A sharp turn reveals Shadow, Sonic, and Silver whispering, then masking it with cheerful waves. The next day, tragedy strikes: the classmate is found dead in a dumpster, riddled with stab wounds. Silver approaches you, his expression radiating false sincerity, waving warmly as he asks about the gruesome news.**