Recommendations

Both stories are about three working women in Shanghai turning thirty and having problems in both their love lives and careers.

Both are about a young boy struggling to survive without parents.

* female leads are divorced
* female leads wants the custody of their child so do a 24/7 job
* female leads are older than the male leads
* female leads are employees of males leads

if you liked Tell me what you saw i am sure you gonna like Class of lies too, that's my opinion.
Class of lies is about a highly successful lawyer who falls from grace because of one case. He becomes a fixed term teacher at a high school that is tied to that case in order to regain his honor. Though he goes into the classroom for selfish reasons, he begins to see the crimes that take place and he takes matters into his own hands to help protect victims from their peers. The drama will shine a spotlight on the reality of teenagers facing little to no repercussions after committing a crime because they are teenagers, providing no protection for those who become a victim to these crimes. (Source: Soompi)
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Tell me what you saw is about Oh Hyun Jae who used to be a top criminal profiler. He solved many cases with his skills, but one day an explosion, caused by a serial killer, ended the life of his fiancé. After the horrific incident, Oh Hyun Jae vanished and he now lives in seclusion. Meanwhile, Cha Soo Young is a police officer in the countryside. She has a special ability which allows her to remember exactly everything she sees. Due to her special ability, she is selected as a rookie detective who will partner with Oh Hyun Jae informally. Together they work to solve cases and uncover the truth behind the Peppermint Killer, the resurfaced serial killer who murdered Hyun-Jae's fiancé five years ago.
(Source: AsianWiki)

While in itself being quite different ( Mermaid mystery vs. BL drama) they both share a plot of reincarnation and rediscovering the past memories and the hidden conspiracies around their past selves. I really love both of them a lot and rewatched them several times. If you are looking for something fresh and fluffy, check them out!

The disguised superhero with a double life is probably my favorite trope ever, and it shows up in both of these.

The first half-ish of The Bridal Mask had me wanting to rewatch City Hunter. I'm a sucker for badass heroes in disguise, and both of these hit the mark.

are similar in terms of themes of mental health, healing. similarities can be drawn amongst the characters: an angry, strong female lead in both
a caretaker in a mental health hospital in its okay
an eccentric psychiatrist in soul mechanic
both deal with social issues and mental health, both have romance as major themes and healing comes from both ends. similar in terms of how they make you feel.

not really similar in terms of concepts and settings, but both deal with addressing mental health and various social issues and healing from past traumas. mystic pop up does not have romance as a main genre and is more comedic and family friendly than its okay, but both are similar in terms of over arching themes and the feeling of healing they left me with.

The dramas are of the same genre. Slice of life, friendships and family. They are both set in a neighborhood where everyone grew up together. Their relationships with eachother and their families and how they grow up.

The story has the same vibes. Set in the past and the main characters are in school and live in a small community where they all grew up together. They are both slice of life drama. Both of them portray the relationships, feelings, problems, dreams of the youth.

both story focus on the career of fashion designer and both series has its own struggle and relationship issue that they have to resolve together

similar in terms of the BFF friendship of female lead... both drama have a strong friendship wher female lead BFF always have their back and be there for their friends

Both Dramas centre around a young woman, who finds herself amidst the struggel to refom a clan and the intrigue and strife for power that's accompanied by. The two heroines both work as a housemaid in a samurai household. While "Hotarugusa" focusses more on revenge, "48-ninme no Chuushin"s plot revolves around loyalty. "Hotarugusa" is also a ltittle bit more lighthearted and has some comic relief through the side characters, "48-ninme no Chuushin" is more on the sincere an melancholic side.

In both these dramas, an officer/prosecutor both develop teams in order to catch the bad guys. Bad guys age of evil gives me Leverage vibes