Verden, a first-tier mage with a genius intellect but no innate magical talent, is condemned to life as a secret test subject after a devastating betrayal at the Magic Tower. Driven by a thirst for revenge and survival, he develops the "Theory of Celestial Reversal," unlocking limitless potential. But with the tower’s dark forces still looming and mysterious organizations entwining with his fate, will Verden’s quest for vengeance and self-discovery lead to triumph, or will he be shackled once more by inescapable limitations? (Source: WEBTOON)

*“Let's date. For a month, intensely.”* Chae-Won learns that her identical twin sister, separated since childhood, has been forced into divorce by her husband and treated with contempt by her in-laws. After her sister becomes a vegetable in a traffic accident, Chae-Won devises a plan to impersonate her sister and exact revenge on her family. However, Yu-Geon, a blind date she stood up due to her sister's situation, accidentally learns of her plan. Needing to date Chae-Won to inherit property, Yu-Geon proposes a contract relationship...! (Source: Naver, translated)

*"Ugh, why do I have to be married to you?"* *"That's my line."* Due to the Isurugi family's circumstances, Haru has to enter into a political marriage with his former girlfriend and childhood friend, Tamaki Rio. Living together under one roof, a dry life together for the sake of formality... though in actuality, the two have unresolved feelings for each other... *"O-oh no... if he's this close to me... my feelings for Haru are still..."* *"There's no way I can let her find out that she still has a strong influence on me. "* While desperately pretending as if they've gotten over their feelings for each other, their awareness towards the other grows. A fake marriage where a former couple's love is gradually reignited. Watch as the vexing love comedy about the two's fake marriage life is interwoven. (Source: Kadokawa, translated)

High school student, Takeru Kisaragi who had gained special physical abilities from the accident of his past, lives in a modern society without changing much though uncomfortable. However one day, a mysterious light engulfed the warehouse in his house, and the next thing he knew, he's in a world where "swords" which is used to amplify magic ruled the world. And a beautiful girl with a black hair and black eyes named herself as Sakuya. "Floating on the altitude above 15,000 meters, the world's only floating city―Ether Float." Elites from different nations gathered in one school, the Sealed Sword Academy, where the stage for peerless fantasy battles are unfold! Initiate! (Source: Sauri's TL Blog)

Once a decade, a battle called the Princess Jihad is held to determine the Excellcia, the true princess from among the thirteen royal families who control the world. Tatemachi Ryougo, a highschooler who desires peaceful days, is mistaken by the Malcane house's princess, Orica, and is binded into a knight contract. "Come! My Summon Knight! No, why am I the one armed!?" Somehow, it was the princess Orica who is summoned as a knight to fight. And in order for her to become strong... "Will you e-eat it for my first?" She must arouse Ryougo!? (Source: jcafe24)

After defeating the Demon King and saving the world, Shion was exiled to the border. Here, the strongest Hero enjoyed his slow life with 4 capable oneesan maids. (Source: MU)

Yu-Jeong, abandoned once by her birth parents and twice by her adoptive parents. Ji-Woon, unable to believe in love because of the many mothers who left him. Two people who never knew their mothers become a legal couple for the sake of the precious child they want to protect. The story of how they start as a couple on paper and become a real family. (Source: Naver, translated)

https://www.cmoa.jp/title/318391/