Seven & I (3382 JP)'s roadmap is a solid response to where retailing is headed, both in Japan and elsewhere; while ACT's bid is just about carrying on as now.
ESR (1821 HK) is a non-binding proposal, no official terms, with a fragmented shareholder register. And this is before any opaque PRC regulatory conditions tacked on in a firm Offer.
Murakami-San is up to 23.5% of voting rights in Exedy Corp (7278 JP). He would probably need 30% to be able to threaten a board spill.