Please Recommend Some Delightful Dog-Training Stories

Why is it that in those yandere coercion stories, where a quick transmigrator endures all that coercion on behalf of the original female lead, the original female lead still ends up living badly? They always emphasize the contrast between the original female lead and the quick transmigrator. Are there any stories where both of them end up well? Each should have their own personality and preferences, with vivid characters.