After Marrying a Vegetative Princess, I Went Crazy With Joy! - Chapter 210:

After his wife's affair and the discovery that his child belongs to another man, Li Feng is cast out into the rainy night.Since fate won't allow him to live an ordinary life, he resolves to live an extraordinary one.“How many roads must a man walk down, before they call him a man” --- < Blowing in The Wind > Bob Dylan

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.

Yun Luo Feng, Hua Xia Medicial School’s genius, died from an accident and her soul attached to Long Xia mainland’s General family’s useless eldest miss.

Tang Nuan, the cannon fodder supporting female in a sweet pampering novel, woke up after an accident and decided to get rid of her fate after she foresaw her tragic future in advance. The first thing she did was to break off the engagement with her wealthy fiancé. She felt that she knew the plot in advance and also knew the secret of her fiancé Ye Shuyan’s mind-reading ability, so she would be able to quit the marriage smoothly. However, she did not expect Ye Shuyan’s mind-reading ability limited to a three-meter distance would be an exception to her.

Ye Shuyan, who has always been with Tang Nuan out of responsibility, found that his fiancée was completely different from what he imagined after he had the mind-reading skills. He developed a feeling of admiration, so he, who firmly did not want to break off the engagement, and Tang Nuan started a series of battles of wits and courage.

The two protagonists redeemed each other in the struggle between breaking off and not breaking off the engagement, facing their feelings sincerely, and reaping sweet love and marriage.

- Description from Novelupdates