-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://mechacomic.jp/books/195830
-Hisashi Tanaka is the manager of the Chuo Higashi-dori branch of Anshin Mart. Exhausted from his daily grind, he thinks, “I just want to go somewhere… far, far away…” — only to find himself suddenly transported to an unexpected alternate world!? Can the hero Tanaka save the world using his convenience store skills!? (Source: Ganma!, translated)
Welcome to Hell! There are two types of people here: sinners and tormentors. Their roles seem clear… until the day Kiyomasa Miyoshi arrived. Though he is a sinner, he came to Hell voluntarily looking for a good challenge. So far, no demon can stand against his might. He wants to fight the King of Hell, but only tormentors can get in to see him. So Kiyomasa will train the sweets-loving tormentor called Gokusotsu to become the supreme tormentor, who can then get him in to fight the King! A battle manga unlike any other commences! (Source: Mangamo)
From Mangamo: Leo has been granted his heart's desire: He is now the top host at his host club. But suddenly he finds himself in another world where he must choose his character class... Sorcerer? Swordsman? No!! Champagne Host!!! [Original Web Manga](https://ganma.jp/isekai-Champagne#!)