Shinwa Densetsu no Eiyuu no Isekaitan - Volume 7, Chapter 4 – Those Who Have Hope, Part 7

When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).

After her previous life, Lan Ke luckily received an universal trade system, and also a ruthless food waster. After initializing the universal trade, becoming a universe merchant, it was the good days of breezing disasters, face-hitting, embracing handsome men! Though as she got stronger and stronger, she stumbled upon the scary secret of the apocalypse!

- Description from Novelupdates

Ace Carter Greyson, her husband of five long years forcefully divorced her on the night of their fifth wedding anniversary. Reason? Simply because she can't bear him a male heir.

Phoenix begged him to stay but his decision was firm and unbendable so she finally let him go. Her life was even more shattered after she discovered his long time affair with his secretary, and now, the mistress was pregnant. Just months after their divorce he married the impregnated secretary.

Phoenix's world suddenly turns upside down when she discovers she's four months pregnant.

Originally born from a wealthy family, she ends up leading a vagrant life for fifteen years. However, when she is eventually found by her family, she falls into another devious plot and eventually dies tragically.