Both star female leads who are mythological creatures that want to become human.
both dramas focus on a young woman who becomes romantically involved with her butler.
Both are Thai dramas focusing on a female lead who pretends to be male. Both male leads develop an attraction to the girls in disguise leading them to believe that they are gay.
Banjong Pisanthanakun and Parkpoom Wongpoom directed both films. Both films also have a twist ending.
The director of Alone also directed the fifth story in Phobia 2. Both star the same lead actress and the fake movie in Phobia 2 is a sequel to Alone.