The Assistant (Lady Lesso x Professor Dovey x Y/N)

What will happen when the headmaster allocates Lady Lesso and Professor Dovey assistants? Lady Lesso is given an assistant who used to go to the school for Good and was very close with Professor Dovey. She's not a normal Ever and when Lady Lesso discovers this she becomes more and more intrigued by her new assistant. However, a ferocious and magical illness comes over Dovey's Never assistant and now The Deans have to share one assistant. How will they overcome this new challenge? Will they learn to share? And why was the Ever assistant so close to Professor Dovey as a student and why does she intrigue Lady Lesso so much?