manga with a lot of jealousy, cheating and drama please anyone? a manga that is engaging!!...

http://www.mangago.me/read-manga/mukizu_ja_irarenee/

http://www.mangago.me/read-manga/koi_ga_bokura_wo_yurusu_hani/

http://www.mangago.me/read-manga/yononaka_wa_bokura_ni_amai/

http://www.mangago.me/read-manga/under_grand_hotel/ has everything you are looking for.

http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/the_inheritance_of_aroma/
http://www.mangago.me/read-manga/butoukai_no_techou/