RYOJ 6-K: Poly Group partnership; press release in Exhibit 99.1

Rhea-AI Filing Summary

rYojbaba Co., Ltd. furnished a Form 6-K announcing a strategic partnership with Poly Group. The collaboration centers on promoting safe and ethical employment for specified skilled workers using the company’s “Free Labor Union” model.

The related press release, titled “Strategic Partnership between rYojbaba and Poly Group to Promote Safe and Ethical Employment for Specified Skilled Workers through the ‘Free Labor Union’ Model,” is provided as Exhibit 99.1. The report is furnished, not filed, under the Exchange Act and is not incorporated by reference unless expressly stated in a future filing.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2025

Commission File Number: 001-42781

rYojbaba Co., 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 ☐

INFORMATION CONTAINED IN THIS FORM 6-K

rYojbaba Co., Ltd. (the “Company”) is furnishing this Report on Form 6-K to provide information concerning a recent business development and partnership.

On October 24, 2025, the Company issued a press release titled “Strategic Partnership between rYojbaba and Poly Group to Promote Safe and Ethical Employment for Specified Skilled Workers through the ‘Free Labor Union’ Model.” A copy of this press release is furnished as Exhibit 99.1 to this Report on Form 6-K and is incorporated herein by reference.

This Report on Form 6-K and the information contained herein shall be deemed to be furnished and not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the ‘Exchange Act’), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

EXHIBIT INDEX

Exhibit		Description
99.1		Press Release dated October 24, 2025 – Strategic Partnership between rYojbaba and Poly Group to Promote Safe and Ethical Employment for Specified Skilled Workers through the ‘Free Labor Union’ Model

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.
By:	/s/ Ryoji Baba
	Ryoji Baba
	Chief Executive Officer

Date: October 24, 2025

FAQ

What did rYojbaba (RYOJ) disclose in this Form 6-K?

The company furnished a report noting a strategic partnership with Poly Group focused on safe and ethical employment via the “Free Labor Union” model.

Who is rYojbaba’s partner mentioned in the 6-K?

rYojbaba announced a partnership with Poly Group.

What is the focus of the rYojbaba–Poly Group partnership?

It aims to promote safe and ethical employment for specified skilled workers through the “Free Labor Union” model.

When was the related press release issued?

The press release was issued on October 24, 2025.

Where can I find details of the partnership in the filing?

Details are in Exhibit 99.1, which contains the full press release.

Is this 6-K furnished or filed for Exchange Act purposes?

It is furnished, not filed, and is not incorporated by reference unless expressly stated in another filing.