Kusumoto Hiroki

__Doujin circle:__ DOGGY DOG [Website](http://www5b.biglobe.ne.jp/~doggydog/) | [Twitter](https://twitter.com/doggykusuhiro) | [Pixiv](https://www.pixiv.net/member.php?id=148686) Kyouken Breeder is Kusumoto's first venture into widely-published yaoi.