Son-in-law Heaven Emperor Xiao Yi - Chapter 10 The Frog in the Well

This is a ‘rebirth’ story where Chen Rong, the heroine, finds her second chance at life after burning herself to death. Set in the Eastern Jin era when bureaucrats and their lofty yet equally hypocritical and oppressive ideas once ruled the empire, Chen Rong is made to use her past life’s experience to survive and hopefully find happiness this time around.

- Description from Novelupdates

Some say reincarnation is a blessing, but for me, it's a dreadful curse. Cursed with endless reincarnation, I've been reborn as a villain 137 times. And all 137 times, I've been toyed with and killed by heroes who are far more cruel than the said villains... If I can't win no matter what I do, then I'll crush those so-called heroes at their very roots. - Quality Fan Translations, Made by Fans for the Fans - Villain Takes Over The Academy

All Chu Lian had done was to read a book where the female lead had cheated on her wonderful husband. While wondering why, before she knew it, she was waking up in the body of that very same female lead!

Wait, did that mean the handsome husband from the book was hers now? Chu Lian decided to welcome him with open arms!

However, what she got wasn’t the kind husband she had been expecting. Instead, his personality seemed to have been completely flipped! He left her all alone on their wedding night… and just five days into their marriage, her dear husband abandoned his loving wife and left to enlist in the army!

Fine! Be that way! She could pass her days perfectly well somehow, even if she had to do it alone!

Chu Lian put her household in order, charmed the rest of her new family, and did a little business on the side. She even opened up some new trade routes! Her days passed peacefully and leisurely… Until her dear husband got into trouble at the frontline of the war.

Hmph, isn’t he crawling back to me for help in the end? Forget it, I’ll go save him myself!

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.