Certain Common Stock of ONE CAREER Inc. are subject to a Lock-Up Agreement Ending on 4-APR-2022. These Common Stock will be under lockup for 179 days starting from 7-OCT-2021 to 4-APR-2022. Details: Naoyuki Miyashita, the lender and seller, Yuhiro Nagasawa, the seller, Shinichi Misawa and Shinpei Takagi, the shareholders and officers of the Company, and the shareholders of the Company. MTM Co., Ltd. and Yusuke Sato will be listed (buying and selling) on SMBC Nikko Securities Co., Ltd. During the period from the start) date to April 4, 2022, which is the 180th day from the start date, the Company holds the shares on its own calculation on the date of conclusion of the principal underwriting contract without obtaining the prior written consent of the lead managing underwriter. The Company promise not to issue, transfer or sell common stock (including potential stock) and securities that have the right to acquire the common stock of the Company. In addition, the Company will start on the date of conclusion of the original underwriting contract for the sale of the shares by the underwriter and the underwriter to the lead managing underwriter, and will be the 180th day from the listing (start of trading) date on April 4, 2022. During the period up to the date, issuance or sale of the Company's common stock and securities with the right or obligation to acquire the Company's common stock without obtaining the prior written consent of the lead managing underwriter (for this third-party allotment) The Company have agreed not to issue such new shares, issue new shares through a share split, or issue stock acquisition rights related to stock options). The sellers, UBV Fund-I Investment Business Limited Liability Association, SMBC Trust and Banking Co., Ltd. (Specified Money Foreign Credit PKSHA SPARX Algorithm No. 1) and AMG Co., Ltd. have made this offer and purchase of underwriters to the lead managing underwriter. During the period from the date of conclusion of the original underwriting contract for sale by underwriting to January 4, 2022, which is the 90th day from the date of listing (start of trading), the prior written consent of the lead managing underwriter will be obtained. Issuance, transfer or sale of the Company's common stock (including potential stock) held by itself on the date of conclusion of the principal underwriting contract and securities that have the right to acquire the Company's common stock (however, the selling price) Is more than 1.5 times the issue price in the offering or the sale price in the sale, and does not sell at the Tokyo Stock Exchange through the lead managing underwriter.)