The two drama share some similarities like the atmosphere in some episodes, the visually impaired mc, the slow burning love where it both hurts and soothes you.

Both drama have: soul-body swapping, martial arts, intrigues, plots, battles and in general they share a similar atmosphere.

Both drama have:
Martial arts
Hidden identities
A cunning ml
Zhao Lu Si as the fl
And a similar ending

Both drama are wuxia and have intrigues, hidden identities and a martial art duo who roams the world together as part of their plot.

Martial arts, battles, hidden identities, pure everlasting love, rise to power are some of the many similarities between the two cdrama (as well as part of the plot's closure)

If you want to watch another drama with Suzuki Nobuyuki i recommend this one. It is a nice change of pace. You won't regret it.

Three women who had enough seeking revenge. Sounds cool right? Well that is a theme that is present in both drama. One of course deals it with humour while the other leans more on the dramatic sad side.

Codependent lovers (for lack of better term) that just want to be there for one and other no matter the adversity. There is that spark between the main characters that convinces you that they cant be with anyone else but that one person. Chaotic, mad, sad but pure first love.

Both drama for the most part take place in a hospice. The themes of love, life and death are also prevalent in both.

In both drama the ml is a hired hitman who gets entangled with the fl in the middle of their chaotic lifes.

"mama i'm in love with a criminal"
In both drama both the main leads is technically a criminal who get together under some very peculiar circumstances.

Both drama revovle around the topic of teenage pregnancy, the difficulties, stigma, prejudices and struggles people in that situation have to face in both society and in their social circle.