Jealousy scenes?

Rules: the best yaoi ever, there are two couples and the good is the second one.

http://www.mangago.me/read-manga/ameiro_paradox/
http://www.mangago.me/read-manga/wonderful_days/
http://www.mangago.me/read-manga/rival_ni_ki_wo_tsukero/
http://www.mangago.me/read-manga/kimi_ga_koi_ni_oboreru/

http://www.mangago.me/read-manga/zantei_koibito/ - cool way to be jealous

http://www.mangago.me/read-manga/jazz/ - warning: heavy drama

http://www.mangago.me/read-manga/punch_up/ jealousy got dragged up in a bad way.

the best jealousy scenes happen when one mc is overly possessive, so try my possessive lover list:
http://www.mangago.me/home/mangalist/14959/

especially the jealous fits of the mangas marked as "yandere"