Yoon Jong Shin and Seventeen collaboration will surely brighten your Valentine's Day with their project song "Chocolate".

The sensational collaboration between a veteran and rookie idols is being anticipated. Although there's no exact date of release yet, the jacket image is released for excited fans. The photo has ha school concept with Seventeen vocal team Woozi, DK, Seungkwan, Jeonghan and Joshua as students standing behind Yoon Jong Shin who appears like their teacher.

This is yet the first time Yoon Jong Shin is collaborating with young idols and he expressed that he has been interested with Seventeen's growth and likes their songs.

It's going to be a cheerful and sweet Valentine's jam!