TV Series
★7(6 votes)
20261 Season4 EpisodesEndedLove In Protocol
Drama
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.
Episodes & Seasons
Browse episodes by season for this series.
Season 1
4 EpisodesEP 01
01.Don't Look at Me Like That
10m
2026-01-17
01.Don't Look at Me Like That
10m
Aired 2026-01-17
As an intern at a cognitive science institute, Jeong-yeon meets Yu-geon, his former high school tutor.
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EP 02
02."Do you still see me as a child?"
8m
2026-01-24
02."Do you still see me as a child?"
8m
Aired 2026-01-24
Participating in a VR test for an emotional reaction experiment, Jeong-yeon faces his own feelings through questions.
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EP 03
03."You don't have to feel guilty, professor"
9m
2026-01-31
03."You don't have to feel guilty, professor"
9m
Aired 2026-01-31
For the first time late, Jeong-yeon appears in the laboratory injured as in childhood, and Yugeon reacts angrily when he sees him.
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EP 04
04."That's why I came back, growing up"
14m
2026-02-07
04."That's why I came back, growing up"
14m
Aired 2026-02-07
As the final experiment finally begins, Yu-geon and Jeong-yeon's hidden feelings begin to reveal themselves.
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Series Cast
