Woollim Entertainment�also revealed that trainee and INFINITE's Sungyeol's younger brother�Daeyeol�is the mystery boy in the MV.�Daeyeol, born in 1993, has been a trainee at Woollim for 2 years now. He previously showed his face on 'Law of the Jungle', and you can expect to see a lot more of him in the future!

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The single is a retouched version of their original song in the mini album. It's a Sweettunes�product.�"Tell Me Why" has a completely different feel from "Delicious" - which song do you like better?