The administrator of Dormitory No. 13
[The Lady in the Walls - Ms. Marlina]
She was consecutively awarded the [Best Dormitory Administrator] for three terms, personally commended by the principal, and had even been considered for a newly established position of dormitory supervisor to be undertaken by her.
However, not long after she was placed in a position of importance.
Perhaps she was too eager to contribute in front of the principal, not allowing any mishaps in dormitory management,
or maybe things that happened at the time touched her reverse scale,
Ms. Marlina thoroughly killed a "Incarnation Candidate" in the dormitory she was in charge of... and this candidate was highly valued by Mr. Teacher.
Because of this incident, the principal flew into a rage,
directly imposing a permanent punishment on Marlina, revoking all her current duties, only allowing her to guard [Dormitory No. 13] for eternity.
...
Inside Dormitory No. 13,
Just as Han Dong theorized,
