Hirosaki Shinji http://www.pixiv.net/member.php?id=147872

Also known as Honky

Smiling Broadly ch01 by Hirosaki Shinji and Mikami Komata Lucky Star Doujin released Dec 12 '07 Comedy Kagami x Yutaka Konata x Kagami Konata x Tsukasa Romance Yuri
Smiling Broadly ch02 by Hirosaki Shinji and Mikami Komata Lucky Star Doujin released Apr 8 '08 Comedy Konata x Kagami Romance Yuri
Smiling Broadly ch04 by Hirosaki Shinji and Mikami Komata Lucky Star Doujin released Sep 26 '13 Comedy Konata x Kagami Romance Yuri