My Sister the Heroine, and I the Villainess - Character Notes

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

Song Yuan accidentally picked up a 5-year-old child.

The child has bright eyes, chiseled features, and prideful demeanor. He referred to himself as “this prince” and his mannerism was wild, cool, and stuck up.

“This prince will never eat such lowly food!”

“How dare you flirt with other men behind the back of my imperial father?”

“He insulted this prince and you sided with him? This prince will sentence his entire clan to death!”

Song Yuan was very disturbed. The DNA test had confirmed that the child was, indeed, her son, but why did he act like he was delusional?

More importantly, who was the father of the child?

The prince was going mad from worrying; Imperial Father, if you don’t come soon, Imperial Mother is really going to cheat on you!

- Description from Novelupdates

Cao Xin, a young man on earth, died in a car accident, traveled to a troubled world where supplies were scarce, and obtained a “Bronze Immortal Gate”…

…

- Description from novelbuddy

This story tells the life of two people, a noble only in name and an older wife from the army, married through a tentative agreement. In the bone-chilling cold, they spend their time hunting, gutting, and cooking by the fireplace. Their daily life passes peacefully. This is the warm love story recounting their daily lives.