The Monster In Us All: Vocaloid Oliver x reader

(Y/n) (l/n) has just transferred to Crimson Scarlet's Academy For The Gifted. It is a legendary school that has taught some of the world's most brilliant people. when (y/n) arrives, she can already tell something is off.
She goes into her classroom, but nobody is there yet. She continues to wait, but no one shows up. (y/n) decided to investigate. she searches the entire school but no one is around. She begin to panic when she hears a scream and a loud crash. When (y/n) follows the sounds, she finds herself in the school kitchen. After she sees nothing and begins to walk away, there is a bunch of rapid knocks and the same scream coming from the freezer, (y/n) rushes to the freezer and unlocks it.
There runs out a boy covered in ice and freezing to death. His name is Oliver.
(y/n) and Oliver decide to investigate the disappearance of the schools students and staff. Will they uncover the mystery or unravel a dark secret that the school is harboring?