Ultraman - Only Want To Protect You - Chapter 39

Xie Shu’s pursuit of Su Qianyi for ten years, never giving up, but at the end of his life, he still didn’t receive a response from her.He felt that he had lived a very unsuccessful life. In the last moment before closing his eyes, there was still someone unexpected who was devastated by his departure.At that time, he thought, if he could choose again, he would definitely not love Su Qianyi anymore.Opening his eyes again, he returned to his school days, giving him a second chance. This time, Xie Shu clearly recognized his own heart and began to maintain a relationship with Su Qianyi…

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

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy