There's an ebook version that started in 2012 and is now up to volume 14 (ongoing).
Justine, the fourth princess, who is whispered about by others. Her engagement partner also broke their engagement. When she returned to the capital, she suffered a tragic death soon after. "I went back in time to the when the engagement broke a year ago?!" In order to avoid death, engagement with Ryuk is mandatory. So Justine sneaked into his room and persuaded him. "I'm not afraid to threaten... Change the future of the whole province?!!" The fearless princess starts over! [Original Web Serialization](https://comic-walker.com/detail/KC_000300_S) [Original Web Novel](https://ncode.syosetu.com/n3066hi/)
[title](https://www.cmoa.jp/title/267225/) Dorothy Hartfield, a marquise residing in the great kingdom of Napier, has had a dislike of men since she was a child because of her good looks. As a result, she has been living in seclusion in her family's mansion, using her specialty of blending to conduct her business. However, Dorothy actually had a fiancée to whom she was engaged when she was 12 years old. And that man was Lucien Napier, the most twisted prince in the kingdom. Lucien is also an extreme misogynist, and the two have never seen each other since their engagement. Well, is there such a thing as a political marriage where you never see each other until the wedding ceremony?
Sophomore Wang Dachuan unfortunately suffered an accident where his head was pierced by a cell phone, turning him into a BUG syndrome patient. He subsequently encountered Wei Wei, a domineering female superior from a secret organization, forcing him to get involved in a series of bizarre BUG missions. Through these missions, he gradually uncovers the hidden dominion behind this world. **Original Webtoon:** [AC.QQ](https://ac.qq.com/Comic/comicInfo/id/651115), [BiliBili](https://manga.bilibili.com/detail/mc36006), [KuaiKan](https://www.kuaikanmanhua.com/web/topic/22261)
https://www.cmoa.jp/title/297989/
Fuka is a high school student who became fascinated with the "world of Japan" after attending a tea ceremony with her grandfather, a Japanese confectioner, and now aspires to make Japanese sweets. She dislikes Tsujido Kaede, the most popular boy at school and whose family is a famous tea ceremony master. However, after school, in the tea ceremony club room, he shows interest in the sweets she has made, dresses nicely, and serves tea, revealing a more Japanese side to him that is the complete opposite of his usual frivolous personality... (Source: Shogakukan, translated)