The supporting character's harem is very normal - Chapter 518: I will come back

After his girlfriend broke up with him, wandering all over the place, Xia Tian happens to see a girl about to be hit, after he saves her, he ends on the hospital. Now thanks to his accident Xia Tian awakened the ability to see through anything, be it weak points, or through clothing, nothing escapes his eye. Especially girls.

- Description from novelupdates

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

Elias “Grim” Kingsley, a nine-year-old orphan with a hardened heart and sharp tongue, dies alone from pneumonia in an overcrowded orphanage. Known for his perpetual scowl and biting remarks, he's labeled a “problem child” by caretakers and “damaged goods” by potential adopters. Years of rejection have built thick armor around his young heart.In death, he encounters the God of Balance who offers him a second chance at life in a different world—this time as Grim Van Ambrose, son of a noble house. Balance explains that every soul deserves to know love and connection, something Elias was cruelly denied in his first life.Promised the family and belonging he never experienced, Grim begins his new life only to suffer an immediate tragedy: his mother dies moments after his birth. This cruel twist of fate reinforces his belief that loss is inevitable, leaving him with a distant father and the mysterious voice of a “Guidance Assistant” in his head.As Grim grows into his new identity, he struggles with his dual nature—the emotional scars of his past life bleeding into his present one. His difficult personality and sharp tongue remain, now paired with noble privilege and expectations. Despite his outward brashness, he carries the deep wounds of his first life and the fresh loss that welcomed him into his second.What begins as one orphan's second chance evolves into an epic journey through a world of ancient beasts, elemental magic, and deadly political intrigue. As Grim uncovers the truth about the Ambrose Clan's fall from grace and the conspiracy that framed them for treason, he faces increasingly dangerous adversaries—both human and monstrous. His quest for revenge against those who destroyed his family's legacy will challenge him to master forbidden techniques, forge unexpected alliances, and ultimately decide whether to rebuild the Ambrose Clan as it was, or transform it into something entirely new.In a realm where power determines survival and ancient secrets lurk beneath noble facades, Grim must learn that sometimes the greatest battles aren't fought with swords, but with the choices that define who we truly are.

A boy wakes up with omnitrix as a X-GENE