Aired: 1/17/2026
As an intern at a cognitive science institute, Jeong-yeon meets Yu-geon, his former high school tutor.
Aired: 1/24/2026
Participating in a VR test for an emotional reaction experiment, Jeong-yeon faces his own feelings through questions.
Aired: 1/31/2026
For the first time late, Jeong-yeon appears in the laboratory injured as in childhood, and Yugeon reacts angrily when he sees him.
Aired: 2/7/2026
As the final experiment finally begins, Yu-geon and Jeong-yeon's hidden feelings begin to reveal themselves.
