Hiroko Oshida studied astrology at the Faculty of Astrological Studies in the UK through their distance learning programme, and went on to complete the Diploma in Psychological Astrology at the Mercury Internet School of Psychological Astrology in 2020. She also studied the therapeutic approach of Japanese psychologist Hayao Kawai to enrich her consulting method for Japanese clients. She holds EIKEN Grade 1, the highest level of the Japanese national English proficiency examination, and is a member of the Association of Professional Astrologers International. Hiroko has developed two distinct online platforms: Astrol Psyche, a Japanese language resource site providing educational content on signs, planets, houses, aspects, mythology, and Venus symbolism, and a separate practice exploring Venusology. She has written for the Faculty of Astrological Studies website and maintains an ongoing blog covering psychological astrology themes for Japanese readers. She also runs online seminars for Japanese-speaking students.