The World's most Overpowered Side-Character - Chapter 399 Whatever The Cost.

“I won't divorce you, Melissa. Until your last breath, you will live with me in this nameless marriage,” Radulf declared.Melissa Rosetta, the illegitimate daughter of the Alpha King and an omega servant, had no choice but to comply with her father's demand― marry Radulf De Lagrange, the fallen Alpha of the once-powerful Shadow Hunter Pack.Despite being the strongest dominant alpha, Radulf's influence and power crumbled when his father was accused of treason against the crown.As for Radulf's punishment? He was forced to marry a weak, wolf-less omega, who he had nothing but disdain for. To top it off, he was sent to the Western Frontier on his wedding day.Melissa eagerly awaited Radulf's return as she suffered through ridicule, believing that when he did, he would be happy to see how mighty his pack had become under her care.However, after four years, Radulf returned with a beautiful woman, shattering Melissa's heart.“You betrayed me while I stayed loyal to you. I don't want to live with you and watch your affair with another woman. Divorce me, Radulf, and free me from this marriage. If you don't wish to do that, then mark me,” Melissa demanded on the day of his return.“Divorce you, Feisty Princess? Never! If you want to get marked, then beg me or seduce me to do so,” Radulf challenged.On the day of his rut, he said, “Melissa, my mate, allow me to mark you.”

She is a descendant of Shennong with unparalleled medical skills and possesses a unique treasure. He is a handsome warlord who mysteriously goes blind and is sly and cunning. Crossing into another world, she becomes a six-year-old little waste. Through defying the heavens with summons and forbidden magic, she rises up in one fell swoop, showing a dazzling brilliance, looking down upon the powerful.When arrogant meets cunning and genius clashes with monstrosity, at that moment, the world trembles in awe!

“When everyone worked hard just to obtain pills, artifacts, wealth, or power. Well, hehe. All I need to do is buy them through the Invincible Exchange System!” Our protagonist said with a smirk on his face.

- Description from Novelupdates

The world froze.Literally froze. The chattering students, the falling cherry blossoms outside the window, even the dust motes in the air – all suspended in perfect stillness.“Oh wonderful hero,” a melodious voice echoed through the room. “Your world faces a terrible crisis, and you have been chosen to—”“No,” he said flatly.A pause. Then a shimmer of golden light coalesced into the form of a beautiful woman in flowing robes. She blinked at him. “I... what?”“I said no. I'm not interested in whatever quest or destiny you're selling. Pick someone else.”The goddess's perfect features creased in confusion. “But... but you've been chosen! The prophecy speaks of a warrior with a fierce spirit, one who—”“Lady, I don't care about your prophecy. I've got enough problems here without adding some fantasy world's issues to the mix. Now un-freeze time and leave me alone.”“You don't understand,” she pressed. “Our world is being ravaged by the Demon King's armies! Millions will die without—”