I want to read a yaoi where the uke falls in love with his brothers friend.

http://www.mangago.zone/read-manga/baka_de_guzu_wa_daikirai/
http://www.mangago.zone/read-manga/ijiwaru_na_kuchizuke/ (chapter 3 & 4)
http://www.mangago.zone/read-manga/7_nenme_no_dou_kyonin/ (just shounen-ai)

http://www.mangago.zone/read-manga/the_sprout_of_love/

http://www.mangago.zone/read-manga/uncontrol/

http://www.mangago.zone/read-manga/ikura_nandemo_suki_sugiru/
http://www.mangago.zone/read-manga/koakuma_no_sanctuary/
http://www.mangago.zone/read-manga/mousou_one_room/

There's more here http://www.mangago.zone/home/mangalist/74129/