Recommendations

Feels similar as in-
1. Female lead disguising as a man
2. Fl being a powerful general with military achievements.
3. Fl (sort of) betrayed by someone she trusted
4. Change of identity

While the shows dont seem very similar on the surface, they have the same director. Theres also a couple of scenes in Wandee Goodday, where the characters are watching TV and the show theyre seeing is The Eclipse.

- the shows share the same director
-while there arent many elements that are similar between the two series, both include nc scenes
- theres a small easter egg in wandee goodday: Wandees apartment number is 609.

Both are sequels to gmmtv produced dramas of the same director. They depict messy relationships and drama. Friend Zone also has a gay storyline and Joss in a role.

Both are gmmtv produced thai dramas of the same director. They depict messy relationships and drama. Namtan also has a lead role in both shows and in Friend Zone 2 theres sapphic pairing too.

FC enters a fictional world as a secondary character and tries to survive. She becomes emotionally attached to her new world.

Both are movies set in high school in which the ML is the popular bad boy of the school and the FL has a crush on or is looking for a boyfriend and ends up forming a quirky partnership with the ML that turns into love. Both movies have a similar vibe and last minute happy endings.

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Both are school set BLs in which a misunderstanding leads to the one ML believing the other is in love with him.

Both FLs face adversity in the beginning like a broken marriage/engagement, losing money, having to earn money, relocating without any money etc.
Both FLs are smart and intelligent enough to make money in order to "flourish/blossom".
Both FLs are emotionally strong.
The MLs in both dramas are well connected (connected to the royal family too) and use their power to help the FL.
Both are women-centric dramas.

Both dramas deal with family relationship and its complexity though Tokyo bandwagon has a limited perspective.

Both Drama deals with problem and complexity of relation though Simmer Down has a broad perspective
In both dramas ML is well spoken individual with warm personality
Supporting characters are good in both dramas

In addition to the similarities in age differences (men are older than women), other similarities lie in the characters of the main characters.
The male character is very mature, patient, can solve problems with full consideration. A mature figure who can protect the woman he loves.
The similarities between the female characters are that they are both cheerful, optimistic in living life, spreading a positive aura to the people around them, this is what makes people who know them like them.
The two male characters in these two dramas who are adults, when they fall in love, both do stupid things that are very funny like young people who are in love and their love is not disturbed by other women, very loyal to the person they like.

the 2 main leads solve cases for the government. one is a detective one is not but their bickering and banter keep you engaged

Sociopaths in love.
Murder, manipulation, naiveness, betrayal...
The ladies prevail!

Both shows weren't very well received but I personally think there's something so intriguing about just watching bad people be bad.