Responses
http://www.mangago.me/read-manga/gosan_no_heart/
http://www.mangago.me/read-manga/kono_ore_ga_omae_nanka_suki_na_wakenai/ (this one is also kinda like that)
http://www.mangago.me/read-manga/soba_ni_oitene/
http://www.mangago.me/read-manga/twinkle/
http://www.mangago.me/read-manga/sono_koi_ni_wa_wake_ga_aru/ (kinda)
Looking for any yaoi manga where the couple is officially recognized by the whole school.