Original soundtrack

Happiness

Han Hyo-joo, Park Hyung-sik, Jo Woo-jin, Park Joo-hee, Lee Joo-sung, Cha Sun-hee, Lee Ji-ha, Baek Hyun-jun, Park Hyung-soo, Han Da-sol, Park Hee-bon, Moon Yi-won, Kim Young-hyung, Ryu Jeol, Yoo Ji-yeon, Han Jun-young, Lee Kyu-hyung, Seo Hyun-cheol, Jeong Jae-eun

Well done

Ding Yiyu, Quan Yuli

Strong Woman Do Bong-soon

Li Yumei, Jin Ting'en, Jin Haishu, Yong Shengyou, Bian Yousik, Zhu Yuzhai, Park Yongjok, He Dongjun, Li Chengjun, Jin Jidou, Park Baoing, Park Hyungshik, Shen Huizhen

I unlocked the president.

Cai Zhongxie, Xu Enxiu, Park Seong-hong

Marriage Ban

Park Joo-hyun, Kim Yong-dae, Kim Woo-suk, Kim Min-joo, Choi Deok-mun, Jung Bo-mi, Yang Dong-geun, Seo Jin-won, Jeon Jeon-woo, Lee Doo-seok, Hwang Jung-min, Lee Hyun-jae, Kim Min-sang, Jo Seung-won, Song Ji-yu, Park Seon-young, Yoon Hyuk-seop, Cha Mi-kyung, Lee Jeong-hyun, Kim Min-seok

Why is Secretary Kim like that?

Park Seo-joon, Park Min-young, Lee Tae-hwan, Kang Ki-young, Hwang Chan-sung, Byul Yi-jin, Kim Byung-ok, Kim Hye-ok, Hwang Bo-ra, Kang Hong-seok, Lee Yoo-jun, Lee Jung-won, Kim Jung-yoon, Kim Yi-won, Hong Ji-yoon, Jo Deok-hyun, Park Byung-in

Gauss Electronics Company

Guo Dongyan, Gao Shengxi, Pei Xiansheng, Jiang Min'er

Please quit drinking.

Cui Xiuying, Kong Ming, Jin Chengling, Jin Xianghao, Zhao Yinhui

Night Limit Photography Studio

Zhou Yuan, Quan Na Ra, Ryu In Soo, Yin Wen Shuo

Your scent

Jiang He-na, Gao Min-shi, Jin Xin-lv, Liu Xiu-bin, Pei Na-ra, Hong Hua-yan, Wu Min-ai, Pei You-lan, Yin Bing-hee, Li Zhong-yu, Liu Yan-xi

Blood Riddle Puzzle

Kim Do-mee, Son Seok-joo, Kim Seong-yoon, Hyeon Bong-seok, Park Gyeo-yeong, Ryu Jae-won, Lee Seong-min, Lee Hee-jun, Ji Jin-hee, Kim Yi-won, Kim Eung-soo, Park Seong-hong, Baek Hyun-jin, Hwang Jung-min, Kim Yae-won

24-hour gym

Li Junrong, Zheng Endi, Li Meidu, Li Chengyu, Park Seung-yeon, Li Zhihui, Hong Yunhua, Lee Junhwan, Kim Gyeonwoo