Kickstarter https://www.kickstarter.com/projects/sodapopminiatures/ninja-all-stars
English - Ninja All-Stars was funded on the Crowdfunding Kickstarter (See the campaign) platform on the Apr 21, 2015, the campaign lasted 28 days. 3,282 people helped funded the game, whose the amount requested was $70,000.00. Thanks to these 3,282 people the game could be funded up to $531,829.01, ~759.76%.
Boardgamegeek https://boardgamegeek.com/boardgameexpansion/216217/ninja-all-stars-clan-kitsune
English - Clan Kitsune is a clan expansion for Ninja All-Stars which contains enough miniatures to build a complete Kitsune-themed team. Clan boxes feature dynamic and unique sculpts for players’ favorite teams.
Ludovox http://ludovox.fr/jeu-de-societe/ninja-all-stars-extension-clan-kitsune/
French - Extension pour le jeu Ninja All-stars.