Metaplanet is a Bitcoin treasury company listed on the Tokyo Stock Exchange, and the first publicly listed Bitcoin reserve company in Japan. Its core business is to continuously accumulate Bitcoin through capital market instruments such as equity issuance and convertible bonds, allowing investors to gain compliant and tax-efficient Bitcoin exposure without directly holding BTC. The company uses 'BTC Yield' as a key performance indicator to measure the growth efficiency of Bitcoin holdings per share, and actively promotes Bitcoin adoption among Japanese corporates and individual investors. Investors can purchase its shares through securities accounts to indirectly participate in Bitcoin's value appreciation.