Cộng Trừ Nhân Chia

When a young student transfers to an elite international school, she soon finds herself drawn into a string of disturbing tragedies and inexplicable supernatural events. Determined to uncover the truth, she ventures deeper into a world where privilege masks corruption and sinister secrets lurk beneath the school's pristine facade. But as the pieces begin to fall into place, one question remains: how much is she willing to sacrifice for the truth?