To mark their airing of G10, M-On is giving away 3 signed posters to M-On viewers. You must live in Japan, and you must be watching M-On to enter the lottery. The entry form can be found here.
Details
Entry Deadline: 9/6/2017 @ 23:59 JST
URL: http://www.m-on.jp/apply/present/2017/08/07/115529/