Many celebrities have been expressing their sadness at the passing away of singer Rottyful Sky, also known as Haneul (which is Korean for 'sky'). Among them, there's one artist whose upcoming comeback is closely tied to the late Haneul.

Kahi, who is returning as a soloist, recently revealed that Rottyful Sky had composed her comeback song "It's ME". She tweeted, "Rottyful Sky... Haneul is Alice Sky, the composer for my comeback song 'It's ME'..... It is Haneul's first piece of work... It has become her last ... For Haneul.... I will sing... Please remember Haneul... Haneul... rest.... Everyone please pray for Haneul and her family... rest in peace".

SEE ALSO: Kahi is a bad girl and a sexy, sexy girl in 'It's ME' MV teaser

Kahi will be releasing her second solo mini-album later today, but has already released a MV teaser for "It's ME".  Make sure you check it out here or below to see what kind of piece Rottyful Sky poured her talents into. The teaser has a very catchy tune and even whispers 'Alice Sky', so make sure you give it a listen and also anticipate the full release.

Tip: Tori Avalon