If you have OPTS Official as a Friend on LINE, you can take part in the voting to decide the gift for every player (whether they voted or not). The gift will be the 4* Special card (SA level 1) of the winner of the vote. You can only vote once. Voting ends on 15 March 2017 23:59.
On your smartphone, simply tap on the message below the Nekomamushi and Inuarashi banner, and you will get the voting screen: