Metaplanet fully repays ¥2 billion zero-interest bonds early using funds from stock warrant exercises.Metaplanet significantly increases its Bitcoin holdings to 4,046 BTC despite recent price drop.Metaplanet's CEO reiterates strong confidence in their Bitcoin-focused strategy despite market volatility and stock plunge.Metaplanet shows financial discipline and focus on Bitcoin strategy by early bond repayment and continued Bitcoin accumulation.