Seomyeon has Daiso Busan Seomyeon (43 Jungang-daero 702beon-gil) and Seomyeon

2nd Store (693 Jungang-daero), both open until 10 pm. Short on outlets? The I-shaped 3-way plug is ₩3,000 with 5.2K+ orders and turns one socket into three. The 15W charger and travel USB adapter are ₩5,000; check the plug picture on the box first.