LEIFRAS Co., Ltd. (0002030277) (Filer)

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 2026

Commission File Number: 001-42877

LEIFRAS Co., Ltd.

(Translation of registrant’s name into English)

Ebisu Garden Place Tower Floor 20
4-20-3, Ebisu, Shibuya-ku
Tokyo, Japan
+81-30-6451-1341

(Address and telephone number, including area code, of Registrant’s principal executive offices)

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

Explanatory Note

LEIFRAS Co., Ltd. (the “Company”) is furnishing its unaudited financial statements and notes for the six months ended June 30, 2026. The financial statements and notes are attached as Exhibit 99.1 to this report. Management’s Discussion and Analysis of Financial Condition and Results of Operations for the six months ended June 30, 2026 is attached as Exhibit 99.2 to this report. The Company also hereby furnishes its investor presentation and press release, attached as Exhibit 99.3 and Exhibit 99.4 to this report, respectively.

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Exhibit Index

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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.

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