Recommendations

similar stories about dark mysteries surrounding villages and cults, the guest is truly a masterpiece

While very different in tone, both dramas center around a male lead who believes himself unable to keep people close to him. Both dramas also deal with sensitive and triggery topics (to different degrees) from the main male lead's past that get resolved during the course of the story. Both dramas are workplace romances, with one male lead's influential mom putting on a cold and disapproving front towards the love interest, but ultimately coming around very easily at seeing the change in her son. Both dramas also briefly portray a major character undergoing and/or discussing therapy (the male lead in Bed Friend, the male lead's best friend in Boss and a Babe).

Both are shorter length dramas in which the ML has two very different personalities. At first his behavior confuses the FL until she learns his secret.

One of the leads has two distinct personalities.
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One of the leads has two distinct personalities.
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Both are short length dramas in which the ML has two personalities.
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Both are short length dramas in which the ML has two personalities.
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Both are mini dramas in which the MLs have two entirely different personalities.
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The characters slowly discover that they want something. Both ML understand what they want and have goals that they want accomplish. (In Gen Z, ML (Professor Ren) wants to pass Traditional Medicine to the next generation and wants to teach more people about it. In Meet Yourself, the ML wants to attract more tourists to the village.) Both ML have the ability to make a lot of money but they rather live more meaningful lives and work towards their goals. FL both discover a new way of living. The supporting characters have back stories and experiences that lead them to making a contribution towards the goal.

Whereas Individual Circumstances contains the trifecta of reunited friends from the past, a jealous third wheel looking to impede any and all latent feelings between the former friends, and complex emotions resurfacing in a tech-/média-verse setting; Our Dating Sim completely foregoes the jealous third wheel and both shows present a lead couple where the one seeks to reignite past emotions and the other dismisses all attempts to face those same emotions.

Both are Republican Era mini dramas in which the FL and detective ML are working together to solve murders and mysteries around the city.

Both are Republican Era dramas about mysteries that initially appear to be supernatural.
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Both are about a rich ML and poor FL who are planning to get married only to be driven apart due to scheming by the ML's mother/se=mother. Five years later, the couple crosses paths again, and the ML discovers the FL has a daughter who he instantly realizes is his. Both children are cute and precocious, befriending the ML even more he realizes they're the FL's child.

Both are about a rich ML and poor FL who plan to get married, only to be driven apart by misunderstandings and the ML's relatives. Five years later, the ML, still angry and blaming the FL, crosses paths with her again and discovers she'd given birth to and has been raising their daughter.

Both are about a couple who break up due to misunderstandings. Five years later the two, still angry at each other, cross paths again, and the ML discovers he has a child he didn't know existed who the FL has been raising alone.