On the Feasibility of Cleaning up the Portal

An imaginary 19th century fantasy with a slight steampunk style The Story of the Western Necromancer and the Eastern Exorcist One-sentence summary: Where should I go after being killed by my yandere apprentice? Teacher: I once had an apprentice. He was a Westerner. He was well-behaved, cute, and pretty. Teacher: But one day, he stabbed me and killed me Teacher: According to his explanation, it's because he loves me too much Teacher: I wondered if there was something wrong with his brain, until later I learned a word called yandere Teacher: Haha 1. Calm and rational, fake. A handsome male protagonist 2. Third person 3. Atypical teacher-student relationship 4. The male protagonist is sickly and the female protagonist is a scumbag Concept: Fusion of Eastern and Western mythology