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Chanyeol shared on his Instagram on July 2, "New piano student Jo Se Ho #Secret,"�and "Posing like a model with So Ra noona!! #It'sChic,"�along with the behind-the-scenes photos. Chanyeol is seen teaching Jo Se Ho how to play the piano, but when he's with Lee So Ra, he becomes a student who learns how to pose from the veteran model herself.

Stay tuned for more Chanyeol cuts on 'Roommate' this Sunday!