Take advantage of the experience. This forum for personal growth is a good place to start, as a lot of alternative health practitioners in Tokyo are members. It's been around for over ten years. The entrance fee is JY1000. Admission is JY1000.
Courses are available.
They work on an outpatient system. This shop has been around for 50 years. Call first for an appointment. A consultation takes about 40 minutes and there is no charge. Aromatherapy Eve Howard has been practicing aromatherapy in Tokyo for several years.