bls were one or both of the characters are assassins?

penthouse xxx
big apple

Assassins
http://www.mangago.me/read-manga/nevermore_team_hitman/
http://www.mangago.me/read-manga/darkness_hound/
http://www.mangago.me/read-manga/outburst/
http://www.mangago.me/read-manga/decision_webtoon/
http://www.mangago.me/read-manga/i_episode_0/
http://www.mangago.me/read-manga/baby_punk_kid/
http://www.mangago.me/read-manga/dear_benjamin/
http://www.mangago.me/read-manga/dear_brand/

http://www.mangago.me/read-manga/mitsumei/ (one is police and other is mafia not assassin, i have few of those but not assassin sadly)
http://www.mangago.me/read-manga/wild_adapter/
http://www.mangago.me/read-manga/penthouse_xxx/?kjKY