Eromangaka. Passed away in December, 2018.
Pen-name: 深紫'72 (Deep Purple 72)
https://www.pixiv.net/users/2595388
https://www.pixiv.net/stacc/deeps72
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https://www.doujinshi.org/browse/author/1544/
http://doujinshi.mugimugi.org/browse/author/1544/Fuka-Mursakai-72/
https://ja.wikipedia.org/wiki/深紫'72
https://r18.mangaz.com/authors/detail/183
http://www17.ocn.ne.jp/~deeps72/
