Short length (film vs. short drama) love stories where the main couple are brought together by time travel, and changing past events.

Both are short (film vs. movie length) dramas featuring time travel, and changing past events for the future. Both have open, but satisfying endings.

Both are Chinese dramas with a love story based upon time travel and changing fate.
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Both are subtly romantic stories featuring unusual forms of time travel (time slip vs. time loop) where the FL and ML must work together to change fate.

Both are short dramas involving time travelers trying to save a life/lives. Both have unexpected twists.

Both dramas involve time travel and trying to change fate to prevent death(s). Both have a subtle romance between the main couple.

FL time travels and returns to her younger self and falls in love with the ML. Both FLs then try to undo a death (FL's mother vs. ML's). Both are school setting. The FL has met the ML in the past but doesn't know/remember it until much later after she time travels.

Different plot but a similar vibe and themes. One of the mains time travels, and attempts are made to prevent one or both of the couple's deaths. Both are slower paced love stories.

Both are a love story between a human FL and a supernatural being ML (angel vs. god) who only has a short time on earth and is in danger of disappearing/fading away.

Both feature a human main character who are transplant recipients (eyes vs. heart) who end up falling in love with a supernatural being (angel vs. grim reaper). Both dramas have a tragic, beautiful, but melancholy feel but feature happy or open/hopeful endings.

Slow burn romance between an immortal being (god vs. grim reaper) and a human. Both have bittersweet open endings.

A love story between a mortal who can see a supernatural being and that immortal being. The immortal met the human when she/he was a child, therefore the human has now aged to an adult and the immortal being still looks the same. Both dramas have similar tone and vibes.