Both movies are based on the same mythology of a nine-tail fox demon possessing a human woman to seduce the King of Shang, which ultimately led to the fall of Shang Dynasty.

Both dramas are about a group of people starting out in a virtual reality game and then involuntarily get sent back to the game without the headset. If they die in the game, their bodies in real life will also suffer dire consequences.

Both dramas have morally ambiguous female leads who are not afraid of getting their hands dirty to helped power hungry ML to sit on the throne. But after everything was said and done, FL ended up with the non-ambitious ML, who loved and was devoted to her.

Both dramas are about women breaking into politics. The shows followed them as they campaign in a uniquely Taiwanese political fashion and address their constituents' concerns.

One person adores and worships the other. But when the other reciprocates his feeling, he feels unworthy of that love and tries to push it away. The other wouldn't let him.

Both leads reside in the same apartment but at different point of time. By some strange force, their two worlds overlap. One must solves the mysterious of the other's disappearance.

Main character can change from male to female and vice versa via outside force and learns to live with his fluid gender.

In both drama, the love story the female leads wrote as teenagers occurs in real life. Instead of falling immediately love like the characters they wrote, they only feel unnerved and cringed.

Both dramas has ML being in love with their longtime male friend. After an accident, ML's soul is transferred to a woman's body. The dramas explore the difference between friendship vs romantic interest, and loving a person for their outside vs inside.

Both dramas started as a contract marriage with an overbearing, manipulative CEO who they can't stand. But after living together, the couples fell in love for real. Also love triangle, and 2nd leads with childhood connection.

Both started off as a cheesy slapstick fantasy comedy. But somehow along the way, deeper social commentaries came through all their nonsense. Gradually, we started to see them as more than one-dimension characters.

Both drama has an older woman at the mercy of a high school student. The younger man ends up falling for the older woman after she helps him overcome his internal conflicts. However, the woman is pining his male relative who is her first love.