Jeong Yeon joins the research lab of Yu Geon, his former private tutor, as an intern. However, Yu Geon’s attitude upon their reunion is cold. An experiment that studies emotions, and two people facing each other once again. Subtle waves begin to ripple between Jeong Yeon and Yu Geon.
Creator: Yoo Hwansang
Jeong Yeon joins the research lab of Yu Geon, his former private tutor, as an intern. However, Yu Geon’s attitude upon their reunion is cold. An experiment that studies emotions, and two people facing each other once again. Subtle waves begin to ripple between Jeong Yeon and Yu Geon.
Love In Protocol is a 2026 drama TV series from South Korea created by Yoo Hwansang, starring Lee Sang-min, Jeong Jae Jong and Kwak Geon-hee. It first aired on January 17, 2026. The series has 1 season and 4 episodes on Heavenly. Audiences rate it 7.0/10 from 6 votes — well received.
Love In Protocol premiered on January 17, 2026.
Love In Protocol was created by Yoo Hwansang.
The main cast includes Lee Sang-min, Jeong Jae Jong and Kwak Geon-hee.
Love In Protocol has 1 season (4 episodes). Status: Ended.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
It holds an audience score of 7.0/10 from 6 ratings, so fans of drama titles are its best audience. Read member reviews below or add your own.
Every episode's audience rating at a glance — find the best (and worst) episodes before you binge.
| E1 | E2 | E3 | E4 | |
|---|---|---|---|---|
| S1 | – | – | – | – |
9+ Awesome8+ Great7+ Good6+ Regular<6 Bad
reunionboys' love (bl)teacher-student love
Yoo Hwansang
Lee Sang-min
Jeong Jae Jong
Kwak Geon-hee