Sechskies'Eun Ji Won, Lee Soo Hyun, and Kim Eun Bi got together to sing OST Part 3 for currently airing OCN drama 'My Secret Romance'.
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Lee Soo Hyun and Kim Eun Bi are currently preparing to debut under a new girl group under HYWY Entertainment, currently simply known as HYWY GIRLS. Lee Soo Hyun is also known for promoting as a member of project group I.B.I. as well as being on 'Produce 101'.