Posted on 28 February 2017, 08:37 UTC by: Supaijin
Score +14
The original name for this work is "お姉ちゃんには逆らえない" or "I can not go against my sister" and the authors name is "門田一世"
In addition, this particular piece was in "漫画ホットミルク" or Manga Hotmilk. It appears that it was in a 2000-01 release of it. The search narrows, but it shall continue
I give this information in hopes someone can some day find the raws and more of this mans work
Verified against this site: http://www2.osk.3web.ne.jp/~yaoi/i/hm_2000.html