Nishikawa Shinji
[Twitter](https://twitter.com/MASH_nishikawa) Shinji Nishikawa is a Japanese Mangaka, who also published doujinshi under the pen name of MASH from 1986. He made his official debut in 1988 in the Monthly Shounen Magazine.
[Twitter](https://twitter.com/MASH_nishikawa) Shinji Nishikawa is a Japanese Mangaka, who also published doujinshi under the pen name of MASH from 1986. He made his official debut in 1988 in the Monthly Shounen Magazine.
