Honestly, I think this Produce 101 Japan is just a ploy from Yoshimoto to produce their own first male group. Besides, it is not new for Yoshimoto to use the popularity of particular franchise.
Maybe this show will gain the popularity if they are able to tick the nostalgic feeling of Japanese people. You know that Japanese like something old and nostalgic. Just look the famous song like Koisuru Fortune Cookies, USA and to certain aspect Tomioka Dance Club. They are on that path by making the Ninety-Nine duo as national representative. They used to be host of the popular talent show Asayan (aires 1995-2002) which discovered artist such as Morning Musume, EXILE Atsushi and Chemistry.
Nevertheless, if they want to tick with the nostalgic feeling of male idol history in Japan, they must appease Johnny's God.
I hope they not focus on choosing KPop artist that popular in Japan or Japanese KPop artist as mentor and Japanese KPop song as song for the battle. They will rub people on the wrong way unless that is Yoshimoto main target, Japanese KPop fan.