Supreme Dan Refiner of Realms - Chapter 38 - :Dan King

A 34-year-old NEET otaku, chased out from his house by his family, found that his life is reaching a dead end. He then recalled that his life could actually have been much better if he had made better choices in the past.

Ye Gushen and Tang Suiyu were married by imperial decree!Tang Suiyu thought that this cold-hearted and emotionless man married her just because of a marriage contract, but in fact...“Honey, autumn is here...” “Good girl...”The next day, several truckloads of clothes were delivered home.“Honey, green grapes taste good...” “Good girl...”The next day, she acquired dozens of vineyards.“Honey, someone said I don't deserve you!” “Good girl...”The next day, that person, huh, where did they go!A long time later, Mrs. Ye, who was spoiled beyond limits, said that her post-marriage life was overwhelmingly sweet![1v1, both male and female leads are incredibly pure, overwhelming spoiling]

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

It has been more than ten years since he was transported to another world. The protagonist Deris Fahrenheit, who has became a magician with special circumstances, was freely enjoying his life in this world. However, a girl appeared before him and asked him to make her his disciple. That girl seems to be a transported person――

It’s a story of him who becomes the girl’s teacher and trains her to achieve her revenge (?) in otherworld.