Another Stupid Isekai - Chapter 662 Days UNKNOWN: Equal Rival, Part I

On the first day of their divorce, he said, “She'll be back before midnight.”The second day, “She'll be back in three days. It's just one of her stunt to make me mad”.The third day, “She cannot do without me so she'll be back in seven days.”On the seventh day, “She'll definitely come back within two weeks.”After a whole month... “Boss she's really doing it, she's kissed a stranger at the gala.”“Catch her and bring her home.”In her past life she was the good and enduring wife, in this life she became his little devious sin. A pain in the ass and his little ass kicker.“No one dared treat Mr Hamilton the way she did, do you think he would forgive her?”Harlow Blackwood was accused and wrongfully killed in her past life by her family and husbands family. But fate had other plans for her.When she returned, Harlow swore to take revenge on the people who killed her children and ended her life. But there was something else in this life. The husband who joined her enemies to attack her in her previous life turned out to dot on her more than ever before.In her past life Harlow was a mighty cook and would prepare food for the entire family, she turned into their slave to please them, yet no one liked her.But in this life...“I am useless hubby, I can't cook, clean, have kids or take care of you...Her hubby smiled. “None of those matters. I can cook, clean, take good care of you, and most importantly, give you children. How many are you willing to have?”In her current life, her husband has a huge secret too, what could that be?

Qin Xiaobai transmigrated into a husky.
And his master turned out to be a goddess-level live broadcast.
Reporter: “Miss Su, you are now the first sister of Douyu. What’s the secret of your success, is it your good looks or hard work?”
Su Wanqing thought for a long time, then pointed to Erha beside her and replied, “It doesn’t seem to be the case. The main credit for my current achievements is that my Erha is so outstanding! Sometimes I even doubt that my Erha is the protagonist. …”

- Description from novelbuddy

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.

BL manhua artist, Ti Xiao, has been single for many years. As such, he is under constant pressure to find a partner and get married. His family’s little niece shipped him together with her school’s English teacher to form a CP. The editor at work also want to introduce their friend to him. One day, a new neighbour moved in next door. He couldn’t help but notice that he seemed kind of reserved and cold. After getting a glimpse of him, he was ready to make trouble. He used his numerous ninja skills to discover his new neighbour’s identity. It turned out he was the English teacher at his niece’s school! Not only did he like his work and was his fan, but he was also his editor’s friend!

- Description from Novelupdates