Talk:Volume 4/@comment-5161240-20140504024022/@comment-26391060-20140504031859

Japanese version: http://www.amazon.co.jp/ノーゲーム・ノーライフ4-ゲーマー兄妹はリアル恋愛ゲームから逃げ出しました-MF文庫J-榎宮祐/dp/4840151857

Chinese version: http://goods.ruten.com.tw/item/show?21403011303020

Both of them could actually be found on the backside of the book. Chinese version is the translation of Japanese version