Cube trainees covering B2ST's 'On Rainy Days' @ Hongdae Playground. They have been performing on Sundays to raise money for children with developmental disabilities (CLC). This video was taken by a Cube staff member. The members from left to right are Sorn - Seunghee - Yoojin - Hyerin - Unknown These are the five trainees that performed with at music shows during her promotions for ''s Secret'.
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