FitSync    

FitSync offers 1-on-1 personal training with Muay Thai, Kickboxing, Boxing and strength training as our core disciplines, plus our own Relaxed Tanden method — releasing excess tension and centering on the tanden, the point where movement begins — available on request. We serve competitive athletes, as well as clients pursuing general fitness, weight loss, and posture correction. No martial arts experience is required. We also offer private MMA and Brazilian Jiu-Jitsu lessons (Roppongi, Shinjuku-Gyoemmae, Shibuya and Ginza gyms or on-site), judo (Roppongi gym or on-site), yoga (female instructor; men may join only with a female client; six gyms or on-site, launching autumn 2026), Pilates (six gyms or on-site), women-only personal training (six gyms or on-site) and personal training / strength and conditioning in English.

Yes. All sessions are 1-on-1, fully tailored to each client's fitness level and goals. Many of our clients are complete beginners. *If you have medical conditions, are pregnant, or have doctor-imposed exercise restrictions, please consult your physician before inquiring.

Consultations and bookings are handled in Japanese, English and Chinese through the contact form, email or LINE (phone support in Japanese only). Lessons are held in Japanese or English. We have extensive experience serving international guests and luxury clientele.

Yes. Your first visit is booked as a regular single session, and you are welcome to come just once. There is no registration or monthly fee, and no membership is required. Bookings are accepted via our contact form.

Registration and monthly fees: none. A single 50-minute session (tax included) is priced per gym: Roppongi ¥16,000, Shinjuku-Gyoemmae ¥16,000, Nishi-Shinjuku ¥16,000, Shibuya ¥16,000, Ginza ¥17,000, Azabu-Juban ¥16,000. See each gym page for 4/8/16-session packs and the group add-on (+¥5,000 per extra person). On-site lessons: ¥18,000 (no travel fee in Minato, Shibuya, Shinjuku and Chuo wards).

How many people can train at the same time
[Muay Thai & kickboxing, MMA, BJJ and judo]
• At Ginza GYM, two or three people can train at the same time.
• Roppongi GYM, Shinjuku-Gyoemmae GYM and Shibuya GYM are best suited to one person; if two of you come, you take turns (two people maximum).
• Nishi-Shinjuku GYM has room for one person only.
• At every gym, pad work is done one person at a time, in turn.
• At Roppongi GYM and Shinjuku-Gyoemmae GYM, MMA, BJJ and judo are done on an extra cushion mat about 2 cm thick laid over the floor mat.
[Yoga & Pilates]
• At Ginza GYM, two or three people can train at the same time.
• At Roppongi GYM, Shinjuku-Gyoemmae GYM, Shibuya GYM and Nishi-Shinjuku GYM, two people can train at the same time.
• Yoga and Pilates are done on yoga mats.
[Personal training (including women-only sessions)]
• At Ginza GYM, two or three people can train at the same time.
• At Roppongi GYM and Shinjuku-Gyoemmae GYM, two people can train at the same time; if three of you come, you take turns.
• Shibuya GYM and Nishi-Shinjuku GYM are best suited to one person; if two of you come, you take turns (two people maximum).
• Azabu-Juban GYM takes one client at a time.

Our founder is Issei Shima, a former pro martial artist (also CEO of AlphaEdge). FitSync personal training is designed around his Muay Thai and Kickboxing background, and he also teaches his own Relaxed Tanden method. Each location has a trainer team, and you can request your preferred trainer when booking.

See instructor profile →

Roppongi: within walking distance of Roppongi Station (Tokyo Metro Hibiya Line / Toei Oedo Line); also accessible from Kamiyacho, Akasaka and Aoyama-Itchome.
Shinjuku-Gyoemmae: within walking distance of Shinjuku-Gyoemmae Station (Tokyo Metro Marunouchi Line).
Nishi-Shinjuku: 5 min walk from Okubo Station (JR); 7 min from the West Exit of Shinjuku Station (JR).
Shibuya: 5-7 min walk from Shibuya Station (JR, Tokyo Metro and Tokyu lines), in Udagawacho.
Ginza: 2 min walk from Shintomicho Station (Tokyo Metro Yurakucho Line).
Azabu-Juban: within walking distance of Azabu-Juban Station (Tokyo Metro Namboku Line / Toei Oedo Line).
On-site lessons cover Minato, Shibuya, Shinjuku and Chuo wards at your home or office.

Programs and founder-led direction are the same across all locations. Prices are set per gym (see each gym page). The differences are size and location, so choose whichever is most convenient from your home, office or commute.

Yes. Cancellations made at least 24 hours before the lesson are free of charge. Cancellations made less than 24 hours before the lesson incur the full lesson fee (100%). The same policy applies to rescheduling.

On the FitSync YouTube channel — a short-video series called "Fitness English." The videos cover real personal-training scenarios, gym front-desk interactions, and useful English phrases, with both Japanese and English subtitles. New episodes are added daily through the AI pipeline, and the videos work well as English-prep material for clients who train with us.