Longevity: Starting from the Qi Tags - Chapter 277 - 188: An Enemy? Are You Worthy?

Oscar, a destitute young boy, died in a tragic accident and was reborn in the forgotten realm. As a member of the lowly Birch tribe, his solace comes from the fragments of a guardian's spirit, residing in his soul. After the decimation of his family in the hands of a powerful race known as the dreads, he embarked on the part of revenge, leading him to the path of transcendence.

Before getting married, Shen Xi knew that her fiancee had a girl he was secretly in love with for years.
After the divorce, she found out that the girl was her.

Before getting married, Shen Xi knew that there was going to be no love in her marriage.
After the divorce, she found that her ex-husband had married for love.

Before their marriage, her husband had a lot of money.
After the divorce, her ex-husband went bankrupt paying for the huge alimony.

Then, Shen Xi was reborn to the day of their marriage.
Shen Xi would just like to ask, would it kill you to say ‘I like you’??

- Description from Novelupdates

Ian thought he was just a little wizard with a tiny bit of talent [cheat], and that hard work would make him stronger. However, as the story progresses, he gradually begins to discover that the teachers who have been teaching him magic are either once-famous strong individuals or characters mentioned in various legendary stories.“Standing before you is the noble apostle of the Misty Illusion Realm, the joint spokesperson of the Old Dead, and the designated successor by the founders of Hogwarts!”“What? That noseless freak wants to cause trouble? He must not have heard of my original magic spell that’s even recorded on the Chocolate Frog's famous collector's cards!”“Dumbledore Summoning Spell!”“Dumbledore Berserk Spell!”

She was stupidly in love with him. Because of him, she became rude and unreasonable, overbearing, jealous, insane. But he did not spare a glance to her. Married for two years, he didn’t favor her once, letting her become the laughing stock of the whole world. Eventually, she ended up in an affair, leading to her tragic death.