Peach of Time (2021)

Both are mini dramas where the ML settles into a house which is haunted by a ghost who becomes his love interest. Both have some similar scenes, like the ML doing laundry on the roof.

Both are mini dramas with a human lead who can see ghosts and is trying to help them cross over as well as solve the mystery around the ML's death.

Both have a human lead who can see/lives with ghost(s).
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both shows are bl series, peach of time being a both korean and thai bl and coffee melody just a thai bl
in both of them, one of the main leads owns/works at a café

Both have a human lead who can see/lives with ghost(s).
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Both have a human lead who can see ghost(s).
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Both have a human lead who is haunted by the ghost of someone they were close to/loved.
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Peach, a 22-year old Thai boy, takes a daring step in his life and decides to fly to Korea to meet his Korean friend, Yun Oh. They first met when Yun Oh visited the restaurant Peach's parents own in Phuket.
Everything seems perfect for Peach. He finally realized his dream! On top of that, as he stays in his friend's house, the two can finally be together. But something just doesn't seem right. Sung Suk, Yun Oh’s mother, seems to be cautious and reserved in Peach's presence. She is harsh with her son and Peach soon realizes that the two do not get along well.
Willing to help his friend, Peach takes matters in his own hands and tries to mend the strained relationship. He just wants Yun Oh to be happy... and if he can make it happen, he will! But what is that weird feeling in Peach's heart? Does he like Yun Oh...?

Both have a human lead who can see ghost(s).
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Both have a human lead who can see ghost(s).
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These two series both have the star-crossed lovers trope, having to deal with difficult adult figures and same sad ending, and both give off the same vibe through out.

Both have a human lead who can see ghost(s).
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Thai x Korean leads and storyline

Both are mini dramas with a human lead who can see ghosts and evil spirits.
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Both dramas have a ghost-seeing human ML and a ghost lead he lives with/falls in love with. Most deal with ghosts turning into evil spirits or crossing over.