❔ ✅ EFCore: How to add entity with one-to-many relationship without navigation property in 1 query

In my

ApplicationUser

ApplicationUser

class I have

Characters

Characters

property (see screenshots), but

Character

Character

does not have a back navigation property. I want to add

Character

Character

into a database and attach it to a user with specified Id in one query. Any tips with LINQ?

❔ ✅ EFCore: How to add entity with one-to-many relationship without navigation property in 1 query - C#