剧情：Jeongyeon joins the lab of her former tutor, Yoo Geon, as an intern. However, Yoo Geon, whom she mei...展开

剧情：Jeongyeon joins the lab of her former tutor, Yoo Geon, as an intern. However, Yoo Geon, whom she meiju.ｐro hasn’t seen in a long time, finds her attitude cold. Amidst an emotional experiment and the reunion of the two, subtle ripples begin to form between-。。。