Amor ao Primeiro Gosto (2022)

Both have a terminally ill FL who in their lowest point crosses paths with the ML who is a supernatural being and aids them in someway.

Both dramas have a plucky human FL and supernatural ML who has special powers and a monstrous side/appearance who met the FL when she saved him. Both FLs have affectionately insulting nicknames for the ML ("monster" vs. "big weirdo").

Both are movie length stories featuring a celebrity FL and an alien ML with special powers that he uses to help her. The ML's life becomes tethered to the FL's in the process of trying to save her, and he risks his life to remain on earth. Both MLs have alien friends who try to persuade them to leave the FL to save their lives.

Angel's Last Mission and Love at First Taste are both similar in the points of both FML meet someone that isn't human and fall in love with them.
While one is just the career is down the drain the other will die soon.

Both dramas have an alien ML with powers and an actress FL. Both romances are star-crossed, with one or both of them risking their lives to remain together/on earth. LAFT even references MLFTS in episode 4.

Love at First Taste the boyfriend is an alien while in My Girlfriend is an alien the FML is the alien.
They both fall in love and both have something in each others body that the other needs to either be alive of go home.

Both dramas are about a terminally ill FL who falls in love with the supernatural ML Both MLs undergo occasional transformations into monstrous beings with bloodlust. Both MLs have an overly protective male friend who resents/distrusts the FL and tries to keep them apart.

Both are mini-dramas with an alien ML and a human FL with a connection to the entertainment industry. The two end up co-habitating.

Both dramas are about a relationship between an alien stuck on earth and a human who comes to learn their secret identity.

Same male lead. Same short length series/web drama. The male leads loving female leads through sacrifice for the happiness of those he loves.

Both are mini dramas that are about a love story between an alien and a human.
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Both are mini dramas that are about a love story between an alien and a human.
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Both are mini dramas with an alien ML who comes to earth and falls in love with the human FL.
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Both dramas feature an alien ML trying to return home and a human FL with a connection to the entertainment industry.