This whole story is blatant revenge wish-fulfillment. Poor boy is beaten, bullied by everyone around him, and his girl cheats on him. Then suddenly has billions of dollars and knows kung-fu. Everyone he interacts with now kisses the ground he walks on for no reason. His enemies lose all brain cells and thoughtlessly throw themselves at him and are batted away without any effort.
All of the "love interests" are miserable, terrible people, except the secretary, but we never see her. The wife occasionally starts leaning toward remorse, but then suddenly picks up the idiot ball again in the very next dialogue.
Not even halfway through the story, most people are already muttering
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Came for the NTR tag; stayed to see what Pocket FM's My Vampire System trained their AI on.