My Billionaire Husband Claimed Me His Precious - Chapter 23: I Want to Marry My Brother-in-law

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.

System: You are the only human who meets the binding requirements of this system, please bind with me!

I was a 28-year-old researcher in Japan, and before I knew it, I have been reincarnated in a fantasy world.

Furthermore, I had a half-spirit father and a spirit mother.

An aunt who is deeply attached to father, cousins who are problem children. Girls who cause awkward situations as in an otome.

Furthermore, in order to gain the affection of a love interest, a cousin even had a word battle with a king!

I am very busy helping humans as well as spirits!

And when I find people who are targeting my father,

「I’ll crush you.」

The cheat protagonist deters those who aim at her family. This is such a story.

Luna Lethal, a name synonymous with fear and power, ruled both the underworld and the elite circles of society. Orphaned young, she rose through treachery to become a master of manipulation and skill. Yet, her reign ended in betrayal—a laboratory explosion claimed her life. To the world, her death was a tragedy; to her enemies, a cause for celebration. But Luna awakens in the body of Aurora Smith, a neglected and ridiculed child despised by her adoptive family. Stripped of her former strength but not her will, Luna faces a choice: seek revenge for Aurora’s mistreatment or forge a new path. As her sharp mind and unyielding spirit transform Aurora’s life, shadows of Luna’s past resurface. Loyal followers sense her presence, while old enemies seek to destroy her again. Torn between vengeance and a fresh start, Luna must confront her identity. Is she still the Devil of the underworld, or can she find peace in a second chance at life?