Transmigrating to the 80s to Become Stepmom to Five Bigwigs - Chapter 21

As the heir apparent of the Ye family, Ye Xuan went through fire and water for his family, but Ye Lang, who had just awakened his Divine Soul, usurped his place. In order to keep his position, Ye Xuan challenged Ye Lang to a Life-death Duel. With the broken Dantian, would he win this fight? The black ring his mother left brought him a great opportunity: Realm Hell Tower, where he met a mysterious lady, who told him to look for nine Daoist Laws to enhance his strength and gave him the Spirit Heaven Sword. Could Ye Xuan find all the Daoist Laws and become a powerful swordsman?

- Description from Novelupdates

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

Back in 1991, in the face of this golden age, Chen Jianghai swears that he will only live in three words in this life: Lin Wanqiu! The story of a reborn person who built an electrical empire and reached the pinnacle of his life!

- Description from novelbuddy

Odelia Grace, a beautiful and smart woman, a secretary of a big company, had to give up the career she had at a young age for a marriage with the CEO of another company, Vincent Percy.The marriage was filled with love and support for each other for 4 years. However, they did not have a child.Vincent's family became furious, and continued to demand and pressure Odelia. A beautiful marriage turned into a nightmare because of their abuse.“You barren woman! My son is jinxed because of you, he shouldn't have married you in the first place!” snapped her mother-in-law.Until one day, Odelia was kicked out of her own house and went to a hotel for the night. She accidentally met a man who was drunk.Unintentionally, there was a hot night between the two of them.And after that night, Odelia finally realized that she was not barren and that she was carrying a baby.The baby of her ex-husband's enemy, Sean Osbert.