BDSM?

1. Blood Bank
2. My Loveprize in the Viewfinder
3.

Especially love the side-couple in "BJ Alex" pity they don't have that many chapters

For other BDSM & S/M:

http://www.mangago.zone/read-manga/ore_no_kimochi_ga_wakaru_ka/
http://www.mangago.zone/read-manga/sneaky_red/
http://www.mangago.zone/read-manga/kemono_asobi/
http://www.mangago.zone/read-manga/dokuzetsu_no_s_na_ore_ga_jimi_riman_ni_kuwaresou_desu/


Also check out this:
http://www.mangago.zone/tag/BDSM/
http://www.mangago.zone/tag/S%26amp%3BM/

Thanks ٩(๑❛ᴗ❛๑)۶