Recommendations

Both are a love story between the alien ML who has powers relating to time (erasing memory vs. stopping time) and the human FL. Both are mini dramas.

Both are mini dramas about a romance between the alien ML who comes to earth but can't stay long and a human FL who he stays with.

Both are a love story between the alien ML whose life on earth is threatened if he remains and the human FL.

Both are cute and quirky romances between an alien who comes to earth and has magical powers and a human.

Both are mini dramas about an alien who comes to earth and falls in love with a human.
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Both are short and quirky stories of an alien who comes to earth and stays with 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 are mini dramas with an alien ML who can only stay a brief time on earth and falls in love with a human FL.

Both dramas are about an alien who comes to earth and falls in love with a human. Both are light and quirky dramas.

DCB references and spoofs MLFTS and begins with the FL watching the drama. Both are about the alien ML who comes to earth, falls in love with the human FL, but only has a limited time to stay or he will die.

Both dramas are short, graphic, and tackle difficult topics such as bullying, violence, and its impact on mental health.

Both explore the idea of time loops and how they can or cannot change someone's fate, although Extraordinary You approaches the idea from a more deeply rooted philosophical point of view (Martin Heidegger's theories of being and time and being-in-the-world).

Also, both have high school settings and filmed scenes at the campus of Seoul's Yonsei University, featuring the distinctive Underwood Hall as the entrance to the high school.

Both have:

1. A lead that's suspected of murder whose name has to be cleared.
2. A poor FL who becomes a lawyer after lots of setbacks and struggles.
3. A ML that wants to protect the FL and is willing to make sacrifices to do it.

But Suspicious Partner is more tropey, silly and OTT while I Hear Your Voice is more serious, melo and shades of gray. Both have important things to say about justice and the law, but the characters and cases in I Hear Your Voice were better developed and the story overall was more tight and meaningful. Suspicious Partner is fun but the writing is weaker and the leads are kinda 2D.

they are both about time travel (kind of ) and seeing your parents years before . but life on mars is in crime genre and its more similar to my perfect strangers !

Choi Jun-Woong (Ro Woon) looks for a job, but it is hard for him to get hired. One night, he accidentally meets grim reapers Koo Ryeon (Kim Hee-Seon) and Im Ryoog-Gu. The two grim reapers belong to a crisis management team. Koo Ryeon is the leader and Lim Ryung-Gu is a member. Their objective is to save suicidal people. Soon, Choi Jun-Woong becomes a new member of the crisis management team.
Ssanggab Cart Bar opens only at night on the rooftop of a building. Wol-Ju (Hwang Jung-Eum) runs the mysterious food cart. Customers who visit Ssanggab Cart Bar consist of normal people and the dead. While drinking alcohol and eating dishes with Wol-Ju, the customers of Ssanggab Cart Bar talk about themselves and try to heal their internal wounds.