code: async def remove(self, *instances, using_db=None) -> None:
          
          db = using_db if using_db else self.model._meta.db
          if not instances:
              raise OperationalError("remove() called on no instances")
          through_table = Table(self.field.through)
  
          if len(instances) == 1:
              condition = (getattr(through_table, self.field.forward_key) == instances[0].id) & (
                  getattr(through_table, self.field.backward_key) == self.instance.id
              )
          else:
              condition = (getattr(through_table, self.field.backward_key) == self.instance.id) & (
                  getattr(through_table, self.field.forward_key).isin([i.id for i in instances])
              )
          query = db.query_class.from_(through_table).where(condition).delete()
          await db.execute_query(str(query))
docs: Removes one or more of ``instances`` from the relation.