[1st teaser] Seo Hyun-jin, why did you get poisoned? 'To live, on top, more intensely

#Seo Hyunjin#Hwang In-yeop#bae inhyeok#Why Oh Soo Jae Teaser#Prediction on why Oh Soo Jae#Why Oh Soo Jae?

Preview#Why Oh Soo Jae?

First broadcast#Why Oh Soo Jae?#