Hattori Masahiko http://www.pixiv.net/member.php?id=157342

Also known as Macchi, match, and 20twenty

Valentine Kiss Nanoha Doujin released May 17 '15 Nanoha x Fate Valentine's Yuri
Love Laika The Idolmaster Doujin released Jul 2 '16 Anastasia x Minami Insane Amounts of Hand-holding NSFW Yuri
Revival Kantai Collection Doujin released Apr 30 '17 Drama NSFW