can someone tell me a yaoi manga with bad boys （/TДT)/ (with good plot and nice art o...

I really dont know ur preference but?
http://www.mangago.me/read-manga/sweet_heart_trigger/

What do you mean with bad boy here? A playboy or bad chara?? Well, first try to read minase masara aishuu

thanks mate!

bad character,like from the pairing senzaki x tatsumi in caste heaven