More info: https://dlraw.net/%E3%83%80%E3%82%A6%E3%83%B3%E3%83%AD%E3%83%BC%E3%83%89/Artbook-%E9%9B%BB%E6%B0%97%E5%A4%96%E7%A5%AD%E3%82%8A-2017-WINTER-in-%E5%B9%B3%E5%92%8C%E5%B3%B6-%E5%85%AC%E5%BC%8F%E3%83%93%E3%82%B8%E3%83%A5%E3%82%A2%E3%83%AB%E3%83%96%E3%83%83%E3%82%AF%E3%83%AC%E3%83%83%E3%83%88/ ---