Since it is a room in an apartment, you can calmly appraise without worrying about the surroundings. Ryuzu, who is calm and reliable, has a wide range of customers from students to managers, and reservations start filling up a month ago. In addition to Ryuju-san, a teacher who specializes in various appraisal methods also belongs to Ryusendo. Every Thursday is a regular holiday (except holidays). Information such as temporary closures, busy days for reservations, and media and event information is posted on the website.