MTL - One Piece’s Strongest Ice Dragon - Chapter 737 Chess is a trick!

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

She was born into an affluent family, but she was swapped at birth and got a different life.She grew up in a village. Just as she got the opportunity to transform her life, it got taken from her, and she was forced into a marriage to trade for a marriage for her mentally-challenged big brother.In the end, she died tragically.Gu Yan thought that if she could be reborn, she would make those who had bullied and insulted her regret everything!After being reborn with a superpower, her life became quite different.“With both the medical skill and the superpower, wastrels, shiver for me!”“Also you, handsome boy, I saved your life; shouldn’t you pledge to marry me?”Lu Ye smiled naughtily. “Of course. Just tell me, Yanyan, how many times do you want me to pledge per night?”