A "Mobile Lottery" will be held at the arena performances of back number tour 2016 "Mirrorball andシャンデリア"! The Mobile Lottery is exclusively for back number official fan club "one room" members, and can be taken once per person per performance from your smartphone. Depending on the results of the Mobile Lottery, luxurious prizes will be given away at each performance! Those who attend the arena performance and join on the day can also participate! We encourage everyone to participate! ■Prizes Grand Prize: "Signed Live Photo Poster" Participation Prize: "Original Wallpaper" ■How to Participate You can participate by scanning the "Mobile Lottery" QR code on the flyer distributed at the venue or posted inside the venue. ■Eligible Members: back number official fan club "one room" members (gold key members, silver key members) ■Eligible Performances: June 4, 2016 (Sat) [Aichi] Nagoya Nippon Gaishi Hall June 5, 2016 (Sun) [Aichi] Nagoya Nippon Gaishi Hall June 18, 2016 (Sat) [Chiba] Makuhari Messe International Exhibition Hall 9, 10, 11 June 19, 2016 (Sun) [Chiba] Makuhari Messe International Exhibition Hall 9, 10, 11 June 29, 2016 (Wed) [Osaka] Osaka-jo Hall June 30, 2016 (Thu) [Osaka] Osaka-jo Hall July 9, 2016 (Sat) [Fukuoka] Marine Messe Fukuoka July 10, 2016 (Sun) [Fukuoka] Marine Messe Fukuoka July 14, 2016 (Thu) [Tokyo] Nippon Budokan July 15th, 2016 (Fri) [Tokyo] Nippon Budokan July 23rd, 2016 (Sat) [Gunma] Yamada Green Dome Maebashi July 24th, 2016 (Sun) [Gunma] Yamada Green Dome Maebashi ■Notes *Each member may participate only once per performance. *Prizes can only be redeemed by the winner themselves. Prize redemption by proxy is not permitted. *If someone who cannot attend the venue on the day draws a ticket, the winning entry will be invalidated. *Prizes can only be redeemed once. *Prize redemption is only available to those who attend each arena performance venue. *Prize redemption is only possible on the day of winning.