The 'flower boy' tweeted the photo above on January 21 with the message, "Shooting for Mamonde. Anti-aging," keeping fans updated on his latest project. In the BTS cut, Siwon looks as handsome as ever, letting everyone know why he was chosen for an 'anti-aging' product.

 

Fans commented, "The concept must be spring," "It's been a while, oppa," "Siwon over flowers," and more.