Rehaim Study Cafe Busan Mangmi Branch is a study cafe in Busan where customers can use a seat for studying. Single-use time passes are available for two, four, or six hours. Study equipment and miscellaneous supplies can be borrowed or received free of charge, and group use, reservations, wireless internet, and parking are available. The cafe has many middle and high school students, which is a concern for civil service exam candidates and university students.