Toaru Majutsu no Index - Volume 22, Chapter 11: In the Shining Golden Sky. Star_of_Bethlehem.

Whenever our ship encounters a tenth-level storm, my comrades-in-arms will not have the slightest worry, because they know that I still have me on board.

- Description from Uukanshu

Jiu Xuan Xian Zunlin also unfortunately encountered the legendary dragon attack when he was robbed and thundered. He returned to his youth and became a high school student Lin Yi. He also found his left hand position and was sealed with a dragon..

Since then, Lin has stood in a new world with a strong attitude, punching the old tyrannical gangsters, kicking and defeating the family.

As a result, a strong newcomer rises and officially opens.

- Description from Uukanshu (translated)

The little princess of the Huo family, one of the wealthiest families, was mistakenly switched out nineteen years ago! The fake heiress is well-educated, talented, and doted on, while the real heiress is an uncontrollable girl who loves to fight, has a strange personality, and had dropped out of school very early…

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates