Both have a similar primary plot in that one person is betrayed and killed by their partner and gets to go back and redo or change somethings in the past to avoid their ultimate demise. Their paths and events however are different.

Marry My Husband is a South Korean drama based on a web novel.
Reset the Series is a Thai drama based on a novel set.

Club Sapan Fine Season 2 Episode 2 (Odd-Numbered Love) and My Mate Match both have a love triangle plot and are Thai BL (gay romance) dramas. Both have humour and seriousness to them. Definitely worth watching one if you liked the other.

Both series are Thai BL (gay romance) dramas that focus on a primary couple and parallel or alternate universes.

Both are Thai BL (gay romance) Drama Series that focus on two primary characters and alternate or parallel worlds.

***POTENTIAL SPOILER WARNING***

Both shows are BLs aka Gay Romance Dramas from South Korea. They are both about lovers that have broken up and then reunite after about a decade of separation as their connection is tested and feelings resurface.

Differences: In Let Free the Curse of Taekwondo, we see their origin story and what drove them apart before bringing them back together again. In Eul’s Love, it is set primarily in an office setting and according to the synopsis pre-release, it is going to focus first on the reuniting with explanations of the past as it progresses. (Written pre-release Jan 2025)

Both are South Korean BL (gay romance) dramas that take place primarily in an office setting where both lead characters share a past history of some kind and have been (unexpectedly) reunited.

In Jun & Jun, they were childhood friends that had an innocent crush on each other.

In Eul’s Love, they are ex boyfriends.

Both feature a Ghost lead character and someone who can see the ghost character. Both are searching for a type of closure & have a mystery feel to it. Both have LGBTQ characters. Both are Thai productions.

Both feature a Ghost lead character (who died too early & is seeking closure of a sort) and dip into LGBTQ+ storylines.

Marry My Dead Body is from Taiwan and The Musical Murder is from Thailand.

Both are reality dating shows that feature men of the queer community cohabitating and getting to know one another while possibly building relationships.

The Boyfriend 2 is from Japan and His Man 3 is from South Korea.

Both reality dating shows featuring men of the queer community that cohabitate while getting to know each other and possibly build relationships with each other.

Both are second seasons.

Boyfriend 2 is from Japan & His Man 2 is from South Korea.

Both are reality dating shows that feature men of the queer community getting to know each other and possibly forming relationships in the process. Both involve cohabitation and one on one dates.

Boyfriend 2 is from Japan and Boyscation is from Hong Kong.

Both are reality dating shows starring men that are part of the queer community that cohabitate and go on dates to get to know each other and possibly form relationships.

His Man is from South Korea & Boyfriend 2 is from Japan.