Teen influencer group Melpetite will collaborate with the iconic character Hoppe-chan for a special event at Village Vanguard Shibuya on May 30, 2026. Managed by VAZ and Kosaido Next, the event features a workshop where fans can create unique Hoppe-chan characters alongside group members. Exclusive merchandise transforming members into characters will also be available for purchase. This collaboration leverages the 'Heisei Retro' trend to bridge generations, celebrating the character's legacy of over 25 million units sold.