Maou Gakuin No Futekigousha - Chapter 127

Wang Mu, after playing a martial arts role-playing game for several months and achieving the perfect ending of “Love Saint,” unexpectedly traveled into the game world.Just when Wang Mu thought he was about to soar, he discovered that thousands of years had already passed in this game world, and it had evolved into the Immortal World...“Ah, Wang, that's very good. Since you know this, you might as well come and pay respects.”“Holy crap, isn't this my game character from when I cleared the game, the renowned Love Saint Dongfang Mu?”

An engagement paper to lock one’s destiny. With her family facing financial difficulties, she marries into the family of the richest man in Qingzhou as his wife. Her Mother-In-Law’s doubtfulness; her husband’s childhood sweetheart; her mean elder sister-in-law; her narrow-minded younger sister-in-law… Being inferior, Sang Wan withdraws without a choice. As time passed, she ended up being lonely and died tragically.

Reborn on a sedan chair, how shall she proceed? Standing right at the cause of the tragedy when everything restarts, can she change her fate and find her beautiful melody?

- Description from novelupdates

A young man with an extraordinary mind is off on an exciting adventure when he mysteriously wakes up in the body of a feeble slave-guy in a different, rich in quirks world.

The main character, a selfish jerk, would use extreme means to achieve his goals. However, he never allows his base instincts to overrule his sense of decency. He always pays back both good and bad deeds.

Will his (terrible/excellent) mentality help him make a fresh start? Will he get through misfortunes and hardships of the new world?