This Marriage Will Surely Succeed - Chapter 46

The world has changed, evolving into a game-like reality with mana, classes, and deadly battles. Here, death is final… except for Sora Hashino. After betrayal by a childhood friend, Sora awakens [Prestige] [Prestige : When activated, all levels and skills revert to zero, allowing for a fresh start. Become stronger and get twice the experience every skill activation.] Death is no longer an end; it’s a new beginning. Driven by revenge, Sora’s journey to power has only just begun. What to expect: Rapid, high-stakes growth Story twists and a deceptive plot Daily releases Intense, fast-paced action Late-stage world-building, solo MC in early chapters Multiple identities and hidden motives A unique job and mistakes in the choices for the MC

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.

Him – a young master of the number one power; a two-faced man with elegance and charming, good looks; he is the chosen one of the former saint god and a man who will only bend his back for her alone.

This domineering crossover’s slogan is, ‘Don’t touch if it is this sister’s, put it there if it isn’t this sister’s!’

…watch how the Domineering Glutton and the Two-Faced Venerate Emperor create sparks as they meet and collide, stirring the whole Spirit Treasure Continent into turmoil, how they fall for each other and how they kill each other, how life and death severs love.

- 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?