jealousy and misunderstandings

http://www.mangago.me/read-manga/kohitsuji_project/
http://www.mangago.me/read-manga/super_lovers/

Hi :o) Hopefully you won't have read all of these:
http://www.mangago.me/read-manga/genwaku_no_kodou/
http://www.mangago.me/read-manga/ze/
http://www.mangago.me/read-manga/aijin/
http://www.mangago.me/read-manga/kishidou_club_bangaihen/
http://www.mangago.me/read-manga/otona_keikenchi/
http://www.mangago.me/read-manga/scarlet/
http://www.mangago.me/read-manga/brother_x_brother/
http://www.mangago.me/read-manga/beautiful_beast/ ( this is 2nd in a very long series, full of jealousy and misunderstandings. For the list in order check out redpanda42's comment )
http://www.mangago.me/read-manga/takaga_koidaro/
http://www.mangago.me/read-manga/aiso_tsukashi/ (sequel)
http://www.mangago.me/read-manga/hidoi_otoko_aoi_akira/
http://www.mangago.me/read-manga/breath/
http://www.mangago.me/read-manga/koi_to_wa_yobenai/
http://www.mangago.me/read-manga/kashikomarimashita_destiny/
http://www.mangago.me/read-manga/nirameba_koi/
http://www.mangago.me/read-manga/koi_ni_nare/
http://www.mangago.me/read-manga/mede_shireru_yoru_no_junjou/
http://www.mangago.me/read-manga/tadatada_suki_to_iu_dake_de/
http://www.mangago.me/read-manga/kami_sama_no_iutoori_moegi_yuu/
http://www.mangago.me/read-manga/romance_and_jealousy/
http://www.mangago.me/read-manga/oko_sama_star/
http://www.mangago.me/read-manga/kusatta_kyoushi_no_houteishiki/