This program gathers these 16 types of people, and then divides people with the same nature into the same room (such as the I introvert room / E extrovert room), compare An observational variety show with differences between different MBTIs.The Mission Possible channel screened and selected all 16 members of the cast based on their applications to find the best fit for this MBTI Inside episode. The cast was confirmed using an official MBTI test provided by “ASSESTA,” an accredited MBTI provider in Korea. Watch drama online for free.