A purple wave has appeared in Seongsu-dong? In May and June, Seongsu-dong will transform into a Ditto's playground. The Metamong Playground event is one of the events for Pokémon Mega Festa 2026, held across Seoul to celebrate Pokémon's 30th anniversary. What on earth happened to the Dittos that filled Seongsu?! If you're curious about their true identity, pay attention to Seongsu in May. 📍 Seongsu-dong, Seongdong-gu, Seoul 🗓️ May 1 (Fri) - June 21 (Sun), 2026