Here are the names, age and profession of the participants:

The Girls:

Lee Han Ju, 27, Korean medicine doctor.

Jeon Seo Yoon, 29, AXA employee, kpop fangirl

Choi Hyun Seo, 27, otaku, curator

Kim Soo Hyun, 28, art student

Game changer:

Han Su Ji, 26, UK graduate, ceramicist

An Jong Eun, 30, Korean medicine doctor

The Boys:

Kim Jae Soo, 32, game developer

Yoon Jung Yun, 26, Business student

Choi Hyuk Joon, 31, marketing in advertising

Ahn Seung Hyun, 30, dentist

Game changer:

Kim Tae Hoon, 29, student (public policy), wants to be a police

Lee Jin Woo, 26, Architecture student