an undercut “hair tattoo” of a spiderweb design shaved right above the nape of his neck. As soon as Hyunjin's new hairdo started circling around social media, fans were immediately obsessed.

In the past, the star has surprised fans with everything from DIY manicures to Versace-themed hair dyes. Now, he's upping up the ante, incorporating a spiderweb design into his buzzcut. Hyunjin ...