The decorum traditionally seen in Japan's mergers and acquisitions has broken down, as hostile takeover attempts have grabbed the spotlight.
The latest boardroom row, between Origin Toshu Co. and Don Quijote Co., stems from a Don Quijote bid to acquire Origin shares after the discount retailer's earlier failed takeover bid.
Don Quijote, known for its quirky store layout and inventory, surprised the market Wednesday when it revealed it had acquired an additional 15.28 percent stake in Origin after its failed takeover on Feb. 9.