Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - 17-29. Purple Hell

In this life, I will live for you.

This novel is also known as I Possessed a Demon Sovereign

Chen Luoyang felt that something was wrong with his transmigration. After transmigrating, he possessed the body of the highest expert in the world, the Master of the Demon Cult, addressed respectfully as the Demon Sovereign.

Generally, aren’t supreme experts the ones that leave behind a wisp of their soul behind and occupy a new body of some miserable low-level youngster then they go on a journey of revenge and make a comeback?!

Or perhaps it would be transmigrating into a miserable youngster’s body and obtaining a cheat slowly walking the road to becoming a God?

But why did his transmigration seem wrong?

Now my environment is full of big shots and I feel like I’m going to be exposed!

- Description from Novelupdates

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Murong Zhining led a life of running constantly in a plight before she settled down in the Zhuang family as their (supposed) daughter-in-law. Until, one day, the Zhuang Estate… collapsed.

Follow the girl as she unraveled the mystery of her identity through three seemingly unrelated objects leading to the treasure that entangled their fates.

Between a king and a general, who would be the one to yield to the phoenix and offer her the world with two hands? Who would be the one to win her heart?

- Description from Novelupdates