Located in Kanda Kajicho, Chiyoda-ku, Tokyo, Besuri Clinic is an internal medicine practice dedicated to physical and mental performance care for working professionals under the concept of a "Mental Gym." The clinic's philosophy goes beyond simply treating illness — it aims to enhance the quality of daily work and life by improving sleep quality and managing the condition of the brain and body. Symptoms such as insomnia, difficulty concentrating, and reluctance to go to the office are viewed not as matters of willpower but as signals from the brain and body, and the clinic addresses them through a scientific approach. Weekday consultations start at 11:00 AM and continue until 8:30 PM, making it easy for busy professionals who struggle to take time off during the day to visit. The clinic has also established referral partnerships with university and general hospitals, ensuring smoother consultations for patients who bring a referral letter. Credit cards and electronic payments are accepted, adding to the overall convenience of the clinic.