[Slight spoilers ahead:]
- Both have a fantasy plot
- Both have a FL that's doomed to die
- Both have a FL that works in the creative field and is independent
- Both have a non-human ML who's fairly stubborn
- Both have something to do with fate
- Both have no love triangle between the leads
- Both involve deities
- Both have leads that are connected through their past
- Both have leads that aren't fond of each other at the beginning, but fall in love later on
- Beautiful cinematography in both dramas
- Music/OST's in both dramas are great
- Same network: tvN
- Both have a fantasy plot
- Both have a FL that's doomed to die
- Both have a FL that works in the creative field and is independent
- Both have a non-human ML who's fairly stubborn
- Both have something to do with fate
- Both have no love triangle between the leads
- Both involve deities
- Both have leads that are connected through their past
- Both have leads that aren't fond of each other at the beginning, but fall in love later on
- Beautiful cinematography in both dramas
- Music/OST's in both dramas are great
- Same network: tvN