Thank you for considering Lucina Shinjuku Yotsuya Clinic (LSYC) for your healthcare needs. Opened in February 2023, our mission is to make quality healthcare accessible and welcoming for everyone. Whether you’re more comfortable communicating in English or you’re an international resident, we’re here to make your healthcare journey seamless and effective. While we’re currently offering a select range of services, your health is our priority, and we invite you to reach out with any questions. Our team at LSYC is excited to meet you and help you on your path to wellbeing.

Please Note:

・We do not accept Japanese public health insurances.
・Prices are subject to change without notice.
・We accept cash and credit cards (VISA, Master, American Express, Diners, JCB, DISCOVER).
All prices include a 10% consumption tax.

Our Services (In-Person and Telemedicine)


Weight Loss Medication:

Our dedicated team specializes in medication therapy for weight loss, providing tailored care and support throughout your journey. Our doctor’s extensive experience with obesity treatments ensures you’re in safe hands.

We provide patients with a pen device for easy, self-administered injections once a week. Each 2mg pen device, priced at JPY23,000, lasts approximately 4 weeks. For those on a 0.25mg dose, it can last up to 8 weeks.


3mg (30 tablets): JPY 9,000
7mg (30 tablets): JPY 18,000
14mg (30 tablets): JPY 29,800


Lusefi (SGLT2 inhibitor, luseogliflozin):
The cost of Lusefi is JPY8,500 for 2.5mg (30 tablets).


miraDry® Treatment for Excessive Underarm Sweating and Odor: 

With our miraDry® treatment, step into a life free from the worries of excessive underarm sweating and odor.

MiraDry Counseling Guide(PDF)

August Sale

We are delighted to offer you a special Autumn sale on miraDry treatment.Feel free to ask our doctor for a consultation. The first consultation is free!


Single-Pass Irradiation: Now only JPY188,000, down from JPY248,000
Double-Pass Irradiation: Now only JPY278,000, down from JPY328,000

Treatment for Androgenetic Alopecia (AGA and FAGA):

Rediscover your confidence with our effective treatments for male and female pattern baldness.

Oral treatment: JPY14,000
Topical application: JPY14,000


Erectile Dysfunction Treatment (ED):

We provide discreet and effective treatments for ED, helping you regain control and enjoy your personal life.


Each tablet is priced between JPY1,050 and JPY1,600
An additional delivery fee of JPY500 applies.

Anti-Wrinkle Injections (Botox Injection):

Enhance your natural beauty and soften the signs of aging with our expertly administered Botox injections.


Treatment for Crow’s feet: JPY7,500
Forehead treatment: JPY7,500
Treatment for worry lines: JPY7,500

Peel and Go – A quick 30-minute treatment:

Short on time? Refresh and rejuvenate your skin in just 30 minutes with our Peel and Go service.



Other Injection/Drip Services

Garlic (Vitamin B) Injection

Commonly used in Japan to help you recover from fatigue
Single (contains Vitamin B1, B2): JPY1,500
Double (contains double dose Vitamin B1 and B2, B6, B12): JPY2,500

Whitening Injection

Main Ingredient is Glutathione; Melaninogenesis Inhibitory and Antioxidant Properties
Single (contains Glutathione 600mg): JPY5,000
Double (contains Glutathione 1,200mg): JPY9,000

Vitamin C Injection

Beautifying and Whitening the Skin: JPY5,000

Placenta Injection

Fatigue, Autonomic Disturbances and Menopausal Symptoms
1 ampule: JPY900
2 ampules: JPY1,500

Meet Our Team

Dr. Yosuke Seki, MD, PhD:

Yosuke Seki
Dr. Yosuke Seki is a leading consultant bariatric surgeon and obesity treatment expert based in Tokyo, renowned for his extensive knowledge and hands-on experience in weight loss, metabolic surgery, and pharmaceutical interventions. 

Graduating from Osaka University and training in overseas clinical fellowships, Dr. Seki has established himself as a proficient practitioner and researcher, handling more than 2000 laparoscopic/endoscopic bariatric procedures and 600 laparoscopic anti-reflux procedures with his team.

His distinctive clinical and research interests lie in the impacts of gastrointestinal surgery on type 2 diabetes, particularly for Asians, and the surgical treatment of gastroesophageal/laryngopharyngeal reflux disease. Alongside clinical practice, Dr. Seki is dedicated to expanding the field’s knowledge, contributing over 180 original research papers, reviews, and textbooks in both English and Japanese.

Having sharpened his expertise and communication skills in Australia and the United States, Dr. Seki ensures a patient-friendly environment that caters to international patients at the Weight Loss and Metabolic Surgery Center. In addition to his surgical work, Dr. Seki takes a special interest in pharmaceutical treatments for obesity, such as GLP-1 agents, and microwave therapy for axillary hyperhidrosis and bromhidrosis.

With numerous accolades to his name, including the 1st prize at the laparoscopic suturing technique competition during the JSES annual meeting in 2005, Dr. Seki’s expertise is recognized by his peers. He serves as a scientific committee member of JSES and the chair of the library committee of IFSO-APC, further exemplifying his commitment to advancing the field of obesity and metabolic disorders.

Welcoming patients at his clinic, Dr. Yosuke Seki combines his medical acumen with a compassionate approach to deliver treatments tailored to each individual’s needs, always pushing the boundaries of what’s possible in the field of obesity treatment.

Tomoko Seki, MA: 

Tomoko Seki graduated from Kobe University and has Master’s degree in Psychology.
She has experience living in the United States in her junior high school. At public health institute, she worked as a researcher, counselor and interpreter.
At LSYC, she is in charge of counseling and administrative things.

Reception Hours

We offer services in English on Wednesdays (14:00-18:00) and Saturdays (14:00-19:00) only.
To ensure personalized care, we recommend making an appointment.
Email: inquiry@lucina-clinic.jp
Phone: 03-6457-8212
Address: Yotsuya Saneicho Square 1F, 9-6 Yotsuya-Saneicho, Shinjuku-ku, Tokyo, 160-0008

8-minute walk from Yotsuya Station
8-minute walk from Akebonobashi Station
4-minute walk from Yotsuya Sanchome Station

How to Make an Appointment

Please e-mail us your answers below
Email: inquiry@lucina-clinic.jp
※Consultation by appointment

① Name,
② Sex (male, female or unspecified)
③ Address
④ Phone number
⑤ Age
⑥ Birthdate(year/month/day)
⑦ Email Address
⑧ Which of our medical service you want to receive
⑨ Visit our clinic or Telemedicine
⑩ Please tell us your first to third preferred date and time to receive medical treatment
⑪ Free Comment