Koi wa Deep ni (2021)

Both titles have a warm, cheerful and hard working woman meeting and falling for a cold man.
Both stories centered around aquatic life, study and protection.

This is my first time making a recommendation so please be kind >\\\
**Also Disclaimer before your read this!!**
This recommendation was made before I had the chance to watch Koi wa Deep Ni!! I only watched One Of the Baes and made connections through what I could gather from the synopsis provided for Koi was Deep Ni.

With that, I hope this is helpful!!
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Based of the Synopsis of Koi wa Deep ni (KWDN), I found some similarities with One of The Baes (OOTB) !!

Just like the female lead Nagisa Mio in KWDN the Female Lead Jowalyn in OOTB also has a past shrouded in mystery. Similarly they both love the ocean but instead of being an oceanographer, Jowalyn dreams of becoming a one of the few female ship captain and In male dominated profession.

Moving on to the Male Leads, both Hasuda Rintaro (KWDN) and Grant Altamirano (OOTB) are sons of rich families, there are nuanced differences though! To Explain, Rintaro is associated with a family-run resort and it mentions he has troubles making decisions about the resort because of Mio. On the other hand, Grant is a Environmental Blogger who cares for the ocean and is estranged from his parents at the start due to various reasons.

All in all, I thought that Koi wa Deep Ni had similar vibes to One of the baes!

In both the dramas the FLs are people with a secret and related to the ocean, Bothe the MLs from the dramas are rich and fall in love with a woman, both stories have a forbidden love and are beautiful dramas

Both female leads are specially connected to nature.
Their work is also similar: Mio being a oceanographer who protects the ocean, and Mokomi who is a florist and became a person who works for plants and tree.
They both have strong passion for what they love, and both stories have good message for the public. What can you expect more of J-doramas? :D

- Female leads are both played by the same actress
- Female leads character are both talkative and naive (unaware of their surroundings in like a cute way hehe)
- Rich man/poor woman tag
- Cold man/warm woman tag
- Business tag
- Both involve moments where FL and ML are bickering (funny and cute)

Both drama have a romantic comedy office romance with the Male Lead as CEO / boss, and the female lead as a consultant / partner. But Hitomonchaku is more realistic and sweet, when Koi wa Deep Ni is more fantasy and romantic. However both drama give us some meaningful lesson about work and life, also have "tsundere" moment from male lead.

This drama is a love story between Kataoka Sakuya, a grim reaper who comes to the human world for the first time, and Mochizuki Nayuki, a woman who lost her father at a young age and has devoted her life to raising her only remaining family—her younger brother. As they meet, they gradually come to understand each other, and slowly, they begin to fall in love. However, a fate that will dramatically change their lives awaits them both…

the male lead in it is cold. Its a office romance drama. Its a drama based on boss and employ relationship. The ML is in is rich.

Mermaid Got Married is the Splash-like tale of a beautiful mermaid who loses her pearl when she saves high school teacher Dior Cheng from drowning. It turns out she also saved him when they were both kids so there's an immediate connection between the two. Unfortunately, the pearl is the source of her power so she follows him onto land.

Female and Male Leads who try to protect the sea. The female lead is a Researcher and the Male Lead is a Rich Son.