[Original Webtoon](https://www.peanutoon.com/ko/comic/detail/7703)

[Original Webtoon](https://mechacomic.jp/books/199005) Ellie was once just an ordinary girl living in a warm, loving home. Until the chaos of war led to her being mistaken for a missing princess. Since then, she has been forced to live as the empire’s “fallen” princess, carrying a title that was never hers. For the sake of peace, Ellie accepts a political marriage to Heldiot, the enigmatic prince of the enemy nation. Drawn to his mysterious nature, she finds herself falling for him, yet if the truth of her identity is ever revealed, both their bond and the fragile peace between their countries will shatter. A tale where lies and truth intertwine, romance and fantasy entwined in a dangerous dance!

[Original Webtoon](https://www.cmoa.jp/title/303131/)

[Original Manga](https://booklive.jp/product/index/title_id/1792267/vol_no/001)

Kiyosumi Sena, a brilliant otome game developer, loses everything in an instant—her beloved job, her secret office romance—after being framed by a junior colleague. Just when despair threatens to consume her, she has a fateful encounter with Kagura Ryo, a rigid and socially awkward heir. Their first meeting? Nothing short of a disaster. Then, out of the blue, Ryo makes an unexpected proposal: To revive the struggling romance simulation game Secret Fake Love Marriage, he suggests they enter a real contract marriage themselves. The deal is simple: a marriage with no love, just an expiration date. But as they re-enact romantic scenarios from the game in real life, Sena finds her heart racing in ways she never expected. Could the love that started as a sham ignite something real? What will become of their contract marriage? https://ebookjapan.yahoo.co.jp/books/876049/?type=serialStory