College was never supposed to change anything for Itoshi Sae. Y/N was just another student, another acquaintance among many. But as friendship turns into something far more dangerous, Sae finds himself drawn to her in ways he can’t explain—or control. With a family secret hidden beneath centuries of silence and Y/N’s heartbeat becoming impossible to ignore, Sae must decide whether staying close to her is worth risking everything he’s spent his life keeping buried.