The isolated life of an extreme introvert is thrown out of order when his company hires a new employee: a cheery extrovert who's not all she seems.

• Yeon Woo-jin
• Park Hye-su
• Yoon Park
• Gong Seung-yeon
• Ye Ji-won
• Heo Jung-min
• Lee Kyu-han
• Jun Hyo-seong