Both censored adaptation of same sex story
Both written by the same author Priest
Both have ml battling with childhood trauma and humanity
Both have happy go lucky ml who hides their pain

Both xianxia
Both have reincarnation as main theme
Love transcends all realms
Both have human realm play a big part of the story
Both produced by the same production company

Both are stories about revenge
Both main character's family were unfairly beheaded for the throne
Both are political court dramas
Both Main characters change identity and infiltrate court
Both have wuxia elements
Both main characters are smart, cunning and scheming
Both have romeo and juliet kind of love stories
Infact this Legend of anle has been termed as female version of nirvana in fire

Both are xianxia stories and they have fairies and creatures. Both are produced from thee same production company. Both have are set in the immortal world and they have eternal love. Both have comedy underlying tones.

Both have same cast, and both are based on an IP. Both have timeless and hurtful love. Both have characters which sacrifice so much for eachother.