We just had 'Tail Chaser' By Manabbe Joji. Deadfrog has another manga called Oniku de CHU~ by Manabe Jouji 66.2 MB 206 Pages.http://www.deadfrog.us/index.php?act=entry&id=6968
The (back) cover says it all, one guy and a harem of gals. YOU should be so lucky.