SEVENTEEN's Vernon is gearing up to release his first solo mixtape, titled 'Black Eye.' Solo mixtape The group dropped a teaser image on its social media accounts, showing the rapper standing on a monster truck, with the title in bold red graffiti lettering. VERNON Mixtape 'Black Eye' 🎧2022.12.23 2PM (KST)#VERNON #버논#BlackEye #VERNON_BlackEye pic.twitter.com/mewTVu927y…