MTL - Shoujo Grand Summoning - ~ 1906 is a more rigorous form than it looks...

A lonely soul, which was placed under the care of the Lord Protector’s Manor, ended up having her lover stolen by the family’s eldest daughter and dying tragically the day before her wedding.

Somehow, she was reborn in the family as their 14-year-old first wife’s daughter, Ning Xueyan, with a startlingly familiar face.

Step by step, she will ruthlessly scheme to seek revenge as well as uncover the mystery of her tragic death.

Her former fiancee, the flirty crown prince and the bloodthirsty prince, will now bear witness to a vengeful Ning Xueyan becoming the peerless lady of her generation…

- Description from Novelupdates

Seven years ago, she freely and easily abandoned ￥100 and ran away, carrying her unborn son with her. Seven years later, she returned with the lady killer’s genius son, never expecting that her darling son would sell her out to MBS International. Unexpectedly, her immediate superior was the Mr. ￥100 from seven years ago!

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy

Arthur, an avid gamer, accepts his friend’s dare to beat an infamous eroge game that no one has ever completed. The problem? The game is designed to trap players in endless smut scenes, with every decision leading to the same outcome: more smut scenes, world destruction and game over. After countless failed attempts and growing frustration, Arthur takes to the game’s community forum, venting his anger at the developers. To his shock, he receives a cryptic response from the developer challenging him to find a different ending. Moments later, Arthur is pulled into the game itself, awakening in the body of an unremarkable extra. Arthur finds himself embodying the very lifestyle he once despised—fooling around at every turn and getting swept up in the woman’s seductive temptations. Can Arthur resist the game’s temptations, uncover hidden paths, and finally break free? Or will he become yet another player lost to its endless scenes? or he will do both? Follow Arthur’s journey for a fresh story filled with humor, plot twists, and concepts you won’t find elsewhere.