Yesterday , DAIGO called 55 lucky fans who received a phone call from him , as 1 of the prizes given in the Itsumo Dakishimete / Mugen∞REBIRTH lucky draw , should all 3 editions of the single was purchased
http://ameblo.jp/daigoblog/entry-11595889138.html
Oh sure , I've heard of air handshake but air phone call ? that's a 1st but that's for DAIGO for you ~_~ xD