Non, ça n'a rien à voir avec l'ambassade de France mais ça dépend de ton bureau local de l'immigration. Il faut obtenir un re-entry permit.
En voici d'ailleurs le lien :
http://www.immi-moj.go.jp/english/tetud ... ui/06.html
Application for Re-entry Permit
Procedure Name Application for Re-entry Permit
Governing Law Article 26, Immigration Control and Refugee Recognition Act
Applicant foreign national who resides in Japan and wishes to leave Japan with an intension of re-entering Japan before his/her period of stay (or the period within which he/she is eligible to stay in cases where he/she has no fixed period of stay)
When to submit Up until the applicant leaves Japan
How to submit Applicant must fill in necessary application forms, make ready attached documents and submit a service counter at regional immigration office.
Who may submit
1. Applicant;
2. The following persons are authorized to submit application form on behalf of the applicant foreign national; A staff member of organization that is run by or employs the ; foreign national;
* A staff member of organization that trains or educates the; foreign national;
* A travel agent; or
* A nonprofit organization authorized by the competent authorities under the Article 34 of the Civil Code for the purpose of smooth acceptance of foreign nationals;
3. A lawyer or administrative scrivener that gives notice to the director of regional immigration bureau;
4. A legal representative of the;* foreign national; or
* "Legal representative" in this context means a legal representative of an applicant who is younger than 16 years old, is always unable to make sense of his/her surroundings due to mental disorder, or significantly lacks such abilities.
5. The applicant's relative, housemate or other similar person who are regarded as appropriate by the director of regional immigration bureau (if the applicant is not able to visit the regional immigration bureau by himself/herself because of illness or other reasons).
Fee 3,000 yen for single permit or 6,000 yen for multiple permit (Payment must be made with revenue stamps)
Necessary documents
* Application form 1copy
* Passport and alien registration card
* A document that proves the status (if a legal representative or agent submits the application form on behalf of the applicant)
Format
* Application for Re-entry Permit[PDF] [EXCEL]
(Note 1) The immigration bureau accepts this format if you print it out on Japanese Industrial Standards A4 format.
(Note 2) You sometimes print it out on a smaller format than A4. To avoid it, please turn off "Shrink Oversized Pages to Paper Size (K)" in the print dialogue box.
How to fill in, and example Refer to your regional immigration office or immigration information center.
Where to submit The regional immigration office in charge of applicant's intended address (Refer to your regional immigration office or immigration information center.)
Office hours 9:00 to 12:00 and 13:00 to 16:00, weekdays (For more information on office hours or days of week for specific application procedures, refer to your regional immigration office or immigration information center.)
Information services Regional immigration office or immigration information center
Screening criteria
* The applicant is not subject to the deportation procedures;
* The applicant is not apparently the one who completes the activities authorized under his/her residence of status or has no chance to continue his/her activities; or
* The applicant is not regarded as improper as re-entering Japan due to any other reason.
Standard procedures duration On the day of application
Administrative appeal None
