Bunker One is a pub in Chungjeongno 3-ga, Seodaemun-gu, Seoul, located right in front of Chungjeongno Station Exit 9. It serves coffee, beer, burgers, and ramen, with ale and bottled beer available alongside burgers for meals. A podcast is filmed there every Wednesday at 6:30 p.m., and it operates as a cafe during the day. On Wednesdays the tables are cleared and only chairs remain, changing the seating arrangement.