Reincarnated as a Red Dragon, Discipline Makes Me Stronger! - Chapter 79 - You Can Kiss Tahirs Descendant Goodbye!

At 79, Adom is an old mage who has known nothing but illness and regret. When the world finally burns and all hope turns to ash, at the last beat of his fading heart, a mysterious being appears in the dimming light with a simple question:“If you could try again, would you?”What's left to lose when you've already lost everything?A handshake seals the deal, and Adom wakes up on his old school grounds, sixty-seven years in the past. When everything is still possible. A second chance with all his knowledge intact, his memories preserved, and his youth restored.This time, Adom wants it all: to feast on food he's never had, to travel a world still full of wonder, to finally live the life he dreamed of. There's just, as always, one small catch—he needs to prevent the end of the world first.But as Adom will soon discover, changing history might demand sacrifices even greater than watching it burn...

Ji Ling, who was transmigrated into the notorious body, after settling the foreign debts owed by the original owner, was persecuted by peach blossom debts before, and then had a mother who wanted to exchange her for money.

Suddenly, in order to repay her kindness, Ji Ling married her benefactor’s grandson, an elderly young man, in a flash marriage.

In the days after marriage, she summed it up in one sentence: My daily life with the face-blind old rooster.

Gan! !

- Description from novelbuddy

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

What got summoned was the world’s strongest sociopath.