Recommendations

http://www.mangago.zone/read-manga/the_place_where_the_wind_blows/

Maybe some of these?
http://www.mangago.zone/read-manga/a_wicked_beast/ - there’s not many chapters yet, but seems to be going down a murder/ mystery type root. (Shounen ai/ yaoi, it has xxx scenes but it’s Chinese so it’s heavily censored with not just light sabers but light boxes- I saw it in the raws, the translation are just at the start)
http://www.mangago.zone/read-manga/the_beast_must_die/ -this is exactly what you’re looking for, really good writing too (yaoi)
http://www.mangago.zone/read-manga/madk/ -not really action, but quite gory, great art and characters with a unique story and good writing (yaoi, the scenes are quite gory, like F-ing your ripped open throat/ eating your guts kinda gory, but it’s good so give it a try at least :)

Sum yuri stuffs
http://www.mangago.zone/read-manga/gunjou/
http://www.mangago.zone/read-manga/murcielago/
http://www.mangago.zone/read-manga/fatal_possession/
http://www.mangago.zone/read-manga/living_will/ (tragedy ;;)
http://www.mangago.zone/read-manga/do_you_think_someone_like_you_could_defeat_the_demon_lord/
http://www.mangago.zone/read-manga/on_a_leash/
http://www.mangago.zone/read-manga/scarlet_yuino_chiri/
http://www.mangago.zone/read-manga/semelparous/
http://www.mangago.zone/read-manga/long_night_come/

Hello,
Here is my list ☆action/Cops/Yakuza☆
Hope you'll find something:
http://www.mangago.zone/home/mangalist/765241/

Have fun. (=・ω・=)

For the biting part,

http://www.mangago.zone/read-manga/torokeru_kami_kon/

http://www.mangago.zone/read-manga/kizudarake_no_hakoniwa/

Thank you all!!