Lead MC gets possessed by another being. Lead wants to go back to its own country. Both Leads are strongly independent and smart ladies. Comical sometimes. Both shows are adapted from the same author Feng Diu Zi. Both are in a book series too.

Both take place in universities, both have gaming elements that brings male and female leads together.

Difference is that one is OSIVA is a movie and BYL is a drama.

Both takes place in Universities, both have gaming elements that brings male and female leads together.

Both male leads have some kind of relation and position in cooking, DD specialises in Western cuisine and ToF specialises in French cuisine and the female leads have kind of similar roles, DD is a playwright-director whereas ToL is a drama writer. Both male leads and female leads are involved in a cooking show.