How to Handle a Puppy [Anthology]

[Male lead + older love interest + the love interest changes with each story arc] [Unfaithful relationships; not one person in this story is innocent, not even the dog passing by] [Both the love interest’s and the male lead’s inner reactions are described, but the main story still revolves around the male lead] Pei Cheng’s parents died when he was young, leaving him to inherit all the family’s power and wealth. He grew up like any ordinary person. At some point in his life, he became interested in studying sex, and from then on devoted all his time to it. The story unfolds around each of his research subjects.