[Female protagonist's downfall] + [Purely satisfying story] + [Cunning]

He transmigrated into a female-oriented online novel and became a villainous rich second-generation. The female lead kept him hanging on, using him to provoke the male lead, while simultaneously using his resources to cultivate the male lead. In the end, he voluntarily jumped into the river to fulfill the female lead's so-called love.

What kind of ridiculous plot is this?!

Now that I've awakened, let's do it!