ICHILLIN' has released the teaser video for their comeback documentary 'Happiness and Sorrow' in anticipation of their third mini album 'Feelin' Hot'.

'Feelin' Hot' marks the group's first new release in approximately seven months since their second mini album 'I'M ON IT!' in July last year. The group heightened anticipation for their new album last month with the pre-release of 'BITE ME', a special message to the public, followed by 'DEMIGOD' on the 5th, a track that saw all members, regardless of their positions within the group, taking on rap.

ICHILLIN's third mini album 'Feelin' Hot' is set to be released on March 7th at 6 PM KST through various music sites, while the first episode of their comeback documentary 'Happiness and Sorrow' will be unveiled two days prior to the album release, on March 5th at 6 PM KST, via their official YouTube channel.