Warugaki http://www.pixiv.net/member.php?id=167132

Also known as sk-II and Drill Chichikuri

Do Your Best (;_;) Kogasa-chan! Touhou Project Doujin released May 16 '10 Comedy Ecchi Violence
Do Your Best (;_;) Kogasa-chan! ~Return~ Touhou Project Doujin released Dec 25 '11 Action Comedy
The Girl Who Leapt Through Time Touhou Project Doujin released Sep 23 '13 Comedy Ecchi Parody
The Day Hijiri was Sealed Touhou Project Doujin released May 6 '14 Drama
The S in do-S Is For... Touhou Project Doujin released Oct 26 '14 Comedy
Greetings from the Garden of the Sun Touhou Project Doujin released Oct 27 '14 Comedy
A Friendly Picnic Touhou Project Doujin released Oct 28 '14 Action Comedy
The ◯◯ horror coming to Gensokyo Touhou Project Doujin released Oct 29 '14 Comedy Drama
My Udonge Can Do It When She Tries!! Touhou Project Doujin released May 28 '17 Action Comedy Violence