A frail high school student receives the heart of a "legendary mercenary"?! The ultimate guerrilla warrior vs. the most fearsome delinquent high school... A school revenge action story begins! High school student Shirube Boshiran returns to Japan after three years following a heart transplant overseas. Shortly after transferring to his local school, Haze High, he becomes the target of bullying. One day, when Ran is cornered by delinquents, a change occurs in his body...! "Get angry—atone with blood!" Memories and combat skills engraved in the heart awake within Ran. The counterattack of a high school boy awakened to immense power begins!

Original Novel [Original Webtoon](https://mechacomic.jp/books/183304)

After being publicly humiliated and cast out of society, Faith Howard, the daughter of a poor viscount, is forced into a marriage of convenience by royal decree. Her groom is Prince Adelbert, the future king infamous for his four previous divorces. To the prince, the marriage is nothing more than a formality. He makes it clear from the start that this is a loveless arrangement, and he has no intention of trusting another woman. But Faith isn't the silent, obedient bride he expected. She's determined to protect her family. As she faces the Prince’s coldness and the public’s mockery with an unwavering smile and a sharp mind, the prince begins to see something unexpected in his “notorious” bride… A marriage built on distrust, misunderstanding, and hidden motives… can it become something more? https://www.cmoa.jp/title/295681/

https://www.cmoa.jp/title/262025/

Women's President Tsubaki Kanzaki. His hobby is playing with men. He invited the securities man, Toro Echizen, to be in bed immediately, but refused. However, Tsubaki begins to trust Echizen as a partner of work. He's got sheep...! "It's actually X". But only for tsubakisan...! Catabs, are you talking about that?! But maybe not. ... I want to bully more and annoy you -

[Manga Plaza](https://mangaplaza.com/title/0303007031/)