There is an solo artist (or an artist group) acting as the house owner and one or more others will come to rent a room. Each of them will have a lease with three terms that they want each others to do for themselves or do together. After agreeing to the terms set out, the tenant give the owner a rent (not explicitly announced), they will jointly sign the contracts and start living together. They will live together for a few days and carry out the contractual provisions, as well as create memories together as friends.

"Idol Dictation Contest (2021)": A spin-off version of the popular tvN variety series, "Amazing Saturday - Doremi Market (2018)"

Every week there will be a featured market from South Korea and within it, there are 3 types of food selected as its representatives. The cast and guest(s), as contestants, have to play games and win to be able to enjoy the food. There will be a dressing theme concept for the cast and guest(s) to follow for the filming of each episode. For episodes, 1–4, the program format is only 3 rounds of song dictation. From episode 5, the program format changed to 2 rounds of song dictation, with a Snack Time in between the dictation segments.
(Source: Wikipedia)