This is the manga: http://www.mangago.zone/read-manga/soukyoku_megu_iroha/
Well here are some more recs:
http://www.mangago.zone/read-manga/haikei_niisan_sama/
http://www.mangago.zone/read-manga/5_seconds/nbt/tr_chapter-3/pg-1/ (my fav in this type)
http://www.mangago.zone/read-manga/ienai_itami_o_daite_iru/
http://www.mangago.zone/read-manga/ibitsu_no_kakera/
(both are in the same series, read kusatta rasen as well)
http://www.mangago.zone/read-manga/the_inheritance_of_aroma/
Lots of good ones linked by ff and I'm not really that big on full-blooded brothers incest so I want to add a couple I like with step Brothers
http://www.mangago.zone/read-manga/into_your_heart_through_the_door/
http://www.mangago.zone/read-manga/koi_nanka_shitakunai/
looking for yaoi where the brother have sex with his brother as an exchange for him doing well on his exam and recc for broxbro yaoi plss n thankyouu