Academy Heroine's Right Diagonal Back Seat - Chapter 368

The world is like a chessboard.

“I do not want to be treated as a chess piece by the players!”

Defeat in this chess is tantamount to the destruction of my body and I’ll thoroughly disappear! Victory in this chess and I’ll have a very long life!

With the help of an ancient Weiqi piece, Gu Hai arrived at the Divine Province Mainland!

Heavenly Dao is eternal, however life is limited, making heaven and earth pieces of a chessboard, then in the end transformed into a loess, vanishing like faded smoke and scattered clouds. Nevertheless people still jump out of the chessboard, and these people are already prepared for their death while playing chess against the heavens, and perhaps win eternal life for themselves?

“I’ve come, and I want to live through 10,000 lives without any boundaries!”

Shen Yuan, a normal human who was living his life peacefully on earth died mysteriously, only to get reincarnated into the world of cultivation with an unknown bloodline so powerful that it even surpassed his chest system....“Hmm, looks like becoming an alchemist might be good. System, purchase the Alchemy knowledge.”[Ding!][Congratulations Host, for acquiring Heaven Refining Alchemy Sutra.]...Follow to see the journey of how Shen Yuan creates the strongest harem since the Primordial times to journey the three thousand world.

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.