To celebrate the Valentines Day (or not) Namco Bandai started the Dragon Ball sale in the Japan Nintendo eShop with 3 selected games.
You can buy these selected games with special price until February 28, 2017 but only from the Japan eShop. So here is the list:

  1. Dragon Ball Fusions – 5250 Yen (with tax)
  2. Dragon Ball Heroes Ultimate Mission 2 – 4000 Yen (with tax)
  3. Dragon Ball Z Chou Kyuukyoku Butou Den – 4000 Yen (with tax)