Guseu Coffee and Bar is a cafe and bar in Mangwon, in a side alley next to Mangwon Market. It plays jazz and serves coffee and cocktails, with Guseu Coffee mixed from cream, milk, and coffee, chewy roll cake, and espresso drinks as the main items. The interior is styled after the Western look of the 1970s and 1980s, with quiet jazz playing. Many customers come for quiet conversation or work, and some come to study.