TOMORROW x TOGETHER's Yeonjun will guest on the highly-anticipated new tvN variety program, 'Apartment 404'!

According to an insider report on December 22 KST, Yeonjun recently took part in a recording for the variety program to fill in for a vacancy in the fixed cast lineup, testing out his chemistry with the other cast members.

Meanwhile, 'Apartment 404' follows the 6 cast members as they investigate bizarre occurrences inside an apartment complex. Each of the stories will be based on real life occurrences, and the cast is made up of Yoo Jae Suk, Yang Se Chan, Cha Tae Hyun, Oh Na Ra, BLACKPINK's Jennie, and Lee Jung Ha. 

The program is scheduled to air in the first half of 2024.