E4
4. "That's why I came back, growing up"
As the final experiment finally begins, Yu-geon and Jeong-yeon's hidden feelings begin to reveal themselves.
Latest episode
S1 E4 · "That's why I came back, growing up"
Love In Protocol is a drama TV series that premiered on Heavenly on January 17, 2026. It has 1 season and 4 episodes so far and has ended. The latest episode, Season 1 Episode 4 ""That's why I came back, growing up"", aired on February 7, 2026.
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.
Last updated
4 episodes · 1 season
2026 · 4 episodes · Last episode: 9 months ago
E4
As the final experiment finally begins, Yu-geon and Jeong-yeon's hidden feelings begin to reveal themselves.
E3
For the first time late, Jeong-yeon appears in the laboratory injured as in childhood, and Yugeon reacts angrily when he sees him.
E2
Participating in a VR test for an emotional reaction experiment, Jeong-yeon faces his own feelings through questions.
E1
As an intern at a cognitive science institute, Jeong-yeon meets Yu-geon, his former high school tutor.
Created by Yoo Hwansang
Love In Protocol has ended, so no new episodes are scheduled. The final episode aired on February 7, 2026.
The most recent episode of Love In Protocol, Season 1 Episode 4 ""That's why I came back, growing up"", aired on February 7, 2026.
Love In Protocol has 1 season with 4 episodes in total.
Love In Protocol first aired on Heavenly on January 17, 2026.
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Love In Protocol
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