Really hard abuse

this one for sure
http://www.mangago.zone/read-manga/camellia_minami/

I've read this one. Do you know any others?(:

have u re a warehouse?

yeah, Not much of them have mental abuse but physical yes. Try some of these
http://www.mangago.zone/read-manga/sasayaku_no_wa_sono_yubi/
http://www.mangago.zone/read-manga/killing_stalking/
http://www.mangago.zone/read-manga/nishikaidan_no_akuma/
http://www.mangago.zone/read-manga/nanadome_no_gomenne/
http://www.mangago.zone/read-manga/sumomo_harada/
http://www.mangago.zone/read-manga/cut/
http://www.mangago.zone/read-manga/the_baker_on_the_first_floor/
http://www.mangago.zone/read-manga/nii_chan_harada/
http://www.mangago.zone/read-manga/to_take_an_enemys_heart/
http://www.mangago.zone/read-manga/kalimeris_porno/
http://www.mangago.zone/read-manga/warehouse/
http://www.mangago.zone/read-manga/sadistic_boy/
http://www.mangago.zone/read-manga/under_grand_hotel/

Read both

Have you tried reading Tagame's?

well, i'm someone who reads hardcore and i stumble upon those when i add them on my list.
love prism tops them all. second should be hua hua you long then grand guignol then venus ni seppun.
btw, sadahiro mika is the same mangaka of undergrand hotel and the uke in venus suffered waay more despite not being outside of prison.