One Piece: Supreme Check-In System - Chapter 48: Voidreign Kingdom Appearance

A festive day, a week have the kingdom of Polestin celebrated for their victory with the crimson general leading their army.The soldiers who served have been guaranteed a spot inside a local bar of the capital city.Clank!“The Crimson General despite being a woman is a talented warrior! Three cheers for the general!”“That woman saved me when I needed it! All hail the general!”“She's like a sister to all the soldier! All hail our general!”Every warrior kept on drinking as the news reached them that the war with their neighboring kingdom was over, the ruler raised their white flag as they asked for mercy- being beneath the crimson general.“General! Come drink with us!”“...”The Crimson General, for how she got her name is because of her crimson hair that became the trademark of her legendary name already spreading across the many kingdoms.“I don't drink.” she denies the invitation her comrades and just sat down on the table watching the others enjoy themselves.“Enjoy, general! You might even find a man here that suits to your liking! You know... your type I think...! The general would love a soft-spoken man!”“...No.”“Hah! That's a shame! In any case I heard that you'll be receiving a reward for helping win the war!”“A reward... I wonder what could it be.”...The reward:“You can choose any of my children to marry you. I have the finest royal princes for you to choose. That is my reward.” The King motions to his left side showing his sons who smiles, sitting in their throne meeting her gaze..“Eh?”“My liege, forgive me but this is...”“Are my children not good enough for you? General, I applaud your accomplishment. Isn't marrying into the royal family a good enough reward for the general?” The King asked the general who swallowed the lump in her throat looking at the princes in display.“I choose-!”Everyone stopped and waiting for the girl to continue.“I choose the princess instead!”

Xia Zhijun got the title ‘study god’ after scoring first place in the whole city. He’s the model of a good student in a teacher’s eyes: good grades, good manners, and quiet. When he wasn’t smiling, his entire body emits a cold abstinence aura. The girls only have the guts to look from afar and not get close.
Later, it was rumored throughout the entire school that even the study god would fight and hit on girls. Whoever dared to provoke his girl, he would teach you how to be a person at every minute. The night of the graduation ceremony someone saw him blocking Gu Siyi in the corner. He didn’t stop kissing even when she cried. He bit her lips and said in a raspy voice, “I’m going crazy…”
During college finals, Gu Siyi almost bursted out crying, “I’m such a failure. I won’t be able to find a good job in the future…And if I can’t find a good job, I can’t provide for myself…”
Xia Zhijun played with her pink earlobe and remarked, “I’ll take care of you.”
After they graduated, Xia Zhijun created a research company and Gu Siyi became the boss’s wife.
The commercial rocket, “Star of Siyi” was successfully launched. So everyone knew that the new technology superstar, Xia Zhijun has a wife who he spoils a lot.

- Description from Novelupdates

The more ruthless the Palace is, the more miserable the loser will end up—this he understands. But what he does not understand is, why the brother whom he lived together with peacefully in the past, would so heartlessly humiliate him today. Asking him to beg for mercy, asking him to succumb to his knees, and even… asking him to tactfully entertain him. “Yong Shan, ah, Yong Shan, as of today you are the one who qualifies to succeed as a Crown Prince, what exactly is it that you want?”

For the past 16 years, Yong Qi’s gaze was never set on him. Despite being twins with his younger brother, Yong Lin, Yong Qi has always been directing his smile and laughter towards Yong Lin, and to him, Yong Qi deliberately alienates him. He does not understand, they have the same features and looks, and he obviously is his brother too, but why won’t he be intimate with him… as if he is humiliating him. “Yong Qi, ah, Yong Qi, why won’t you understand, what I want is very simple…”

- Description from Novelupdates

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.