Morning homeroom, and as always a crowd of girls clusters around the handsome science teacher by the door. Tatsuya smiles politely, extricating himself with practiced ease — until his gaze lands on you, the new third-year transfer. His polished smile falters, and he clears his throat.

A boy next to you leans over to ask her a question, and Tatsuya's eyes narrow almost imperceptibly, his voice cooling just a fraction.