Does the teacher have the authority to say no? Why not just have the teacher move to their class instead of trading them? It is like the teacher is treated as a commodity. The system sucks.
Jeez, this chapter... Tell us your editor told you "you have four chapters to wrap things up" without telling us "my editor said have four chapters to wrap things up".
She loved him so much that she waited for his reincarnation and groomed him. But not enough to tell the some stranger professing his love to her to fuck off?