Oh Hee Jun (오희준) is a South Korean singer. He is the youngest member of the boy group KNK.
He was a former FNC Entertainment trainee. He appeared with Inseong in its reality show Cheongdam-dong 111 but as a vocalist and guitarist of a trainee band called Kokoma Band (꼬꼬마 밴드). Before debuting with KNK, he was a backup dancer for the live performances of BESTie’s “I Need You”.
The sixth track “Tonight” from KNK’s second mini-album titled Remain and the third track “Feel So Good” from KNK’s repackaged album titled “Gravity, Completed” was both written and co-composed by him respectively.
Source: kpop wiki