Apart from being in her own anime, and as my host on Culture Japan, Mirai Suenaga also collaborates with many companies in the Japanese anime and game world. So far she's been in the Kadokawa anime Twin Angel, the King Records anime Mayochiki, the Nitroplus game Sonicomi and lately she was in the Yuzusoft game DRACU-RIOT which was just released!
Mirai-chan in her Winter Uniform out n about. There are actually many more places where you can spot Mirai - check out the game and see if you can find all of her appearances!
You can first check out the trial version where you can spot Mirai a couple of times.