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6-K

rYojbaba Co., Ltd. (RYOJ)

6-K 2026-06-15 For: 2026-06-15
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Added on June 16, 2026

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

Washington,D.C. 20549

Form6-K

REPORTOF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

Commission File Number: 001-42781

rYojbabaCo., Ltd.

4-3-1, Ohashi, Minami-Ku

Fukuoka-Shi, Fukuoka, 815-0033, Japan

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

INFORMATIONCONTAINED IN THIS FORM 6-K REPORT

On May 7, 2026, Takayuki Nakano resigned as a member of the Board of Directors of rYojbaba Co., Ltd. (the “Company”). Mr. Nakano’s resignation was not a result of any disagreement relating to the Company’s operations, policies or practices.

Following Mr. Nakano’s resignation, the Company’s executive officers, directors, independent director and corporate auditors are as follows:

Name Positions Held
Ryoji<br> Baba Chief<br> Executive Officer, Director, Representative Director
Hiroyuki<br> Oishi Chief<br> Financial Officer (1) and Director
Ferdinand<br> Groenewald Independent<br> Director
Takeharu<br> Kato Corporate<br> Auditor
Yoshiro Imamura Corporate<br> Auditor
(1) As<br> previously disclosed, Mr. Oishi was appointed Chief Financial Officer (and principal financial<br> officer) on March 27, 2026. Mr. Oishi also assumed the role of principal accounting officer<br> at that time, replacing Mr. Yusuke Hirata.
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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

rYojbaba Co., Ltd.
Date:<br> June 15, 2026 By: /s/ Ryoji Baba
Ryoji<br> Baba
Chief<br> Executive Officer