TOKYO, June 25 : Kadokawa's CEO Takeshi Natsuno suffered a sharp drop in shareholder support at the Japanese anime and gaming giant's annual general meeting after an activist campaign to unseat him. While he retained his board seat at Wednesday's AGM, shareholders voted only 59.68 per cent in favour of his re-election, compared with 90 per cent last year, the company said on Thursday. Activists are increasingly seeking to eject top executives in Japan as they bet shareholders will vote to