Sakira's works: http://www.mangago.zone/r/l_search/?name=Sakira
If you don't mind bara, works by Sakira.
http://www.mangago.zone/read-manga/sweet_inomoto_rikako/
http://www.mangago.zone/read-manga/bi_no_isu/
http://www.mangago.zone/read-manga/eroman_kami_to_pen_to_sex_to/ (the works of this mangaka might also work)
http://www.mangago.zone/read-manga/ropeman/ (the works of this mangaka)
http://www.mangago.zone/read-manga/kuroneko_kareshi_no_asobikata/
http://www.mangago.zone/read-manga/love_mission/ (it has some bara looking ones)
http://www.mangago.zone/read-manga/kaihatsu_muramura_mode/
http://www.mangago.zone/read-manga/hoshi_no_yakata/
http://www.mangago.zone/read-manga/sadistic_boy/
and other mangas from this mangaka
http://www.mangago.zone/read-manga/love_prism/
http://www.mangago.zone/read-manga/under_grand_hotel/
http://www.mangago.zone/read-manga/venus_ni_seppun/
http://www.mangago.zone/read-manga/giocatore_hokaku_keikaku/
Hard core hot yaoi manga?? aside from zaria's works anyone?