User summary 無添加無着色 (Mutenka Muchakushoku) is a Japanese doujin publisher which debuted in the 2017 Kobe Game Market. They are based and act in the Kansai area.
The publisher's name comes from:
無添加 Mutenka: 無 (non) 添加 (additive) = no additive substances
無着色 Muchakushoku: 無(non) 着色 (colorings) = no artificial colorings
A typical phrase in Japan to say "100% natural", mainly for something to eat.