The proposed acquisition of 7 & I by Couche-Tard represents Japan's largest foreign-led takeover attempt and could reshape how Japanese companies approach mergers and acquisitions. Recent changes in Japan’s M&A guidelines now encourage shareholder-focused decision-making, requiring companies to assess bids more rigorously. While 7-Eleven has rejected the $39 billion offer as too low, its response—hiring investment bankers and engaging publicly with shareholders—shows a departure from traditional practices. Despite the company's strong customer focus and innovative retail model, its poor shareholder returns have intensified the debate over stakeholder versus shareholder capitalism. Even if the deal falls through, it may still catalyze more M&A activity in Japan, especially for smaller, more manageable transactions.