My Master is Fierce but Adorable

After being hit by a car, Xiao Ran wakes up to find herself back in the ancient time in the body of a homeless teen. As she sneaks into a restaurant to look for food, she encounters a pair of handsome men. When she runs into one of the pair - the more arrogant one later on, she realizes that she has witnessed him dealing unspeakable business and is therefore forced to become his servant. Xiao Ran goes on to find out that the gentler man of the pair is an old acquaintance, and her background is connected to the former royalty...