Eating Beauties to Level Up LVLUPH

Content Warning: R-18, step-Incest, S&M, multiple partner, exhibitionism. All of the sexual scene between the character will be consentual.
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Struggling to cope with his sweetheart's death, Kim Siwoo lived his life meaninglessly like a walking dead.

Suddenly mysterious self-proclaimed God knocked on his door and offer him an opportunity to reunite with Ji-hyeon, the love of his life, but he had to participate in the so called "Game" devised by the God and to clear it he had to get laid with countless beauties.

Could he clear the game and meet with his lover again? or would he sink into the depth of pleasure and forget his original intention?

Let's watch Siwoo's journey together, where he learned to love other and himself once more!
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There'll be dimension-hopping story in the latter arc so the genre will be set as Fantasy even though until chapter 100-ish will be set in modern times.