Starting as a Class Five Mutant - Chapter 616

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

An ineffable rebirth, taking advantage of a mystical magic cube that was produced from rebirthing to pass through various worlds(anime, novel, movie, games, etc), collecting whatever I want to obtain!

- Description from MTLNovel

Arranged marriage? Or a child first and then love?After being defeated and captured, the dragon slayer Leon became the prisoner of the Silver Dragon Queen. Facing certain death, Leon made a desperate move.In a twist of fate, he impregnated the queen right before he was supposed to die.He thought that by doing this, he could condemn the queen to live with the shame for the rest of her life, fulfilling his mission as a dragon slayer.But two years later, when Leon opened his eyes, he found a little dragon girl with a tail beside him.“Daddy! You finally woke up!”Not only was Leon alive, but he had also become the father of this little dragon girl.After that, the Silver Dragon Queen started her relentless revenge. In a way that was truly “tit for tat,” she subjected Leon to non-stop bed exercises. But as a mere human, how could he possibly withstand the unending onslaught of a dragon's... desires?Leon decided to escape.However, every attempt ended in failure.Finally, under the queen’s threats and bribes, he resigned himself to being a stay-at-home dad.“Hm, you’ve been behaving well. I’ll reward you by having a second child with me,” the queen declared.Leon swore, “I’d rather die! I’ll leap from the Silver Dragon Palace, and I still won’t have a second child with you!”

The Swordmaster who has returned by chance to save the world!