Episode 8 Details Casts Videos Galleries Posters Season Lists Title Episode 8 Genres Comedy Drama Release Date 2022-01-07 Episode Runtime 00 Hours 16 Minutes Season Number 2 Episode Number 8 Production Companies tvN D Choi Ye-na... Oh Na Ri... Hwang Bo-reum-byeol... Im Yoo Na... Yoo Seon-ho... Joo Chan Yang... Lee Won-jeong... Kwon Seung Ha... Han Chae-kyung... Seo Mi Rae... Han Ji-hyo... Im Sun Ji... Kwon Hyun-bin... Jung Woo Kyung... Yang Seo-hyun... Oh Yurim... Park Eun-woo... Jo Yoo-jung... 소녀의 세계 시즌2가 드디어 돌아왔세계 [소녀의 세계2] - EP.0 (Teaser) Return of the Ex-Best Friend [The World of My 17] Teaser (Teaser) Original Size (2560x1440) Original Size (1550x872) Original Size (900x1350) Original Size (800x1146) Original Size (900x1350) Season 1 12 Episode(s) 2020-04-22 Season 2 10 Episode(s) 2021-12-15