He Comes from the Deep Sea

- Merman ML
- Assertive, bold FL that takes ML in as a partner (husband in HCftDS, concubine in MMB)
- ML is sassy and catty (ML in MMB is more sub)
- Both MLs have unusual mating rituals (MMB he goes into heat, in HCftDS ML gets pregnant) and both mate with one partner for life.
- Role Reversal themes (more present in MMB)

Both are contemporary fantasy dramas where the ML is a merman and the FL is an assertive businesswoman. The dramas are pretty different otherwise. (Genuinely thought it was the same drama at first cuz of the title xD)