MTL - How Can the Saintess Be a Boy!? - ~ "Angel sitting on the left side of God 'second

To save the hopeless Dark Fantasy World, I held back my tears and destroyed the world, then killed the Demon King and returned.

Now, I’m trying to save the world using the ‘System’ I gained as the ‘Regressor’s Privilege’… but the Main Heroines have also awakened their memories of the previous timeline.

God damnit.

WARNING: DARK AND MATURE CONTENT. Readers discretion advised.Serena Alaric wanted nothing more than a quiet life, far from the shadows of her family’s dark past. But when masked enforcers storm her home and drag her into the clutches of the Council of Vitae, she learns her blood is the key to a deadly legacy she never asked for.Lucian Draven is the cold and ruthless leader of a powerful mafia syndicate, cursed to endure unimaginable pain. The Council claims Serena is his only salvation. Yet beneath the Council’s polished facade lies a web of lies, experiments, and betrayal that runs far deeper than either of them imagined.Forced into an uneasy alliance and given a time limit to produce an heir, Serena and Lucian must navigate a treacherous world of power and manipulation, where trust is a rare commodity. As they uncover the truth about the Council’s sinister plans, their hatred begins to give way to something unexpected—a bond forged in fire and blood.But with enemies closing in from all sides and time running out, Serena and Lucian must decide: will they fight their fates, or embrace the dangerous connection that could either save them, or destroy them both?

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates

☆The original novel of Netflix's hit drama Accidentally in Love☆

Chen Qing Qing is the daughter of a wealthy family, desperately wanting to avoid an arranged marriage and find love on her own terms. On the day of the wedding, she flees town and heads out to enroll in the same college where her parents studied, hoping to find out more about their death.

She changes her appearance and name in an effort to hide her true identity and does her best to blend in with her classmates. Her desk-mate in school turns out to be the famous singer, Si Tu Feng, whom she's already had multiple run-ins with. The two don't start off on the right foot, quarreling constantly and causing each other trouble. But could there be more between them?

Thus starts Qing Qing's quest for answers about her parents' death and a chance at real love.