You can't leave her alone in hacking, intrusion.
In danger from those attempting to steal the prototype, So-yeon agrees to stay at the lab. Nan-do puts on his best impression of Holo.

طاقم التمثيل
Yoon Hyun-minKo Nan-do / Holo
Ko Sung-heeHan So-yeon
Choi Yeo-jinKo Yoo-jin
CHANSUNGBaek Chan-sung
Lee Jung-eunSo-yeon's mother
Kang Seung-hyunYoo-ram
Son Jong-hakNam Gi-ho
Jung Young-kiJo Jin-seok
Jung Yeon-jooJi-na
Nam Myung-ryeolBaek Nam-gyuMy Holo Love على tvt

