The winners of the Korean-Japanese band survival series 'The Idol Band: Boy's Battle', FNC Entertainment's rookie team Hi-Fi Un!corn is all ready for its debut!

The band will be releasing its first digital single album 'Over The Rainbow' later this month on June 26 at 6 PM KST, debuting simultaneously in both Korea and Japan. The digital single album features the Korean and Japanese versions of Hi-Fi Un!corn's debut title track "Over The Rainbow", as well as the Korean and Japanese versions of "DoReMiFa-Soul". 

Ahead of their full debut, the band has decided to drop performance videos of the b-side track "DoReMiFa-Soul" in both Korean and Japanese, giving fans a taste of their bright energy and lively sound!

Meanwhile, Hi-Fi Un!corn consists of members Uhm Taemin, Fukushima Shuto, Kim Hyunyul, Son Kiyoon, and Heo Min. The band will soon join FNC Entertainment's notable lineup of K-Pop idol bands including F.T. Island, CNBLUE, and N.Flying. 

Check out the band's "DoReMiFa-Soul" performance videos, above and below!