Red Devil and Heroine Su.

A lesbian short film released by RelaApp as a valentine's day special starring real life couple SUN&Shou. One is a righteous, thoughtful, and introverted martial arts master, and the other is a clever, cunning, and arrogant demon. They admire each other and work hand in hand to plan against the enemy; however, they can't help being from two different worlds. In the end that is no match for their lovesickness and affection, the lovers get married.