Douluo Dalu 2: The True God King - Chapter 237: [DD2]:

Tang was cheated by her husband who got another woman pregnant. Tricked by the mistress and mother-in-law, she had been criticized by the public and kicked out of her husband’s family. Then, there comes Su, who showed up like a saviour for her, prevented her from all the difficulties that her ex’s family made to her. He held her in his arms, haughtily said to them, ‘It will only be me that can bully my girl! Anyone who dares to bully her is opposing me!’ She was shocked. And her mother-in-law said she was a wanton woman. After that, he was always protecting her, treated her preciously. He made her realized that even the second marriage could also make her so happy!

- Description from Novelupdates

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

After dying on Earth, Liam Porter awakens in Twin Land, a strange world ruled by powerful Spirit Masters.Surrounded by corpses and the wreckage of a destroyed carriage, Liam finds himself wounded—newly arrived in this new world—facing the man responsible for his predecessor’s death.Thrown on an island where he must survive, Liam survives a strange demonic ritual and awakens magical powers.In a world where magic reigns and mystical beings (beasts and monsters) are essential for the growth of the Spirit Masters, Liam will follow a unique path alongside an incubus demon-spirit!To get stronger, he’ll have to conquer women and tame beasts!But not only his captors and the beasts—Spirit Masters’ natural enemies—will stand in his way. He will also have to face the depraved reality in which he finds himself!…“I will become the new Beasts God! Nothing and no one will stop me from achieving my ambition!”Expectations:- Fast pace, particularly at the beginning. A balance between lots of action, kingdom building, slow analysis of the cultivation system and rune creation;- Dark truths of a medieval society;- The MC is a curious earthling with above-average intelligence. He’s not a genius, but he will bring some things from his past life into this world in order to have some advantages (later in the story);- Harem;- Dual cultivation; (it’s the MC’s main cultivation method);- From weak to strong;- Sect building (later in the story).