Hi. Legit looked through all the teacher uke tagged manga, and I chalked it down to these :
http://www.mangago.me/read-manga/hitotsu_futatsu_himitsu/
http://www.mangago.me/read-manga/ochiru_seija_no_seppun/
http://www.mangago.me/read-manga/kitsu_ka_nu_shisen/
http://www.mangago.me/read-manga/kyoushi_no_junjou_seito_no_yokubou/
http://www.mangago.me/read-manga/cannot_kiss_for_24_hours/
http://www.mangago.me/read-manga/sakaku_opera/
http://www.mangago.me/read-manga/cherry_na_teacher/
Made sure uke was sensei, and had glasses on. There could definitely be more, but judging on the cliché yaoi “does he actually wanna have sex with me” trope, it probably wouldn’t be in the synopsis.
http://www.mangago.me/read-manga/hitotsu_futatsu_himitsu/
http://www.mangago.me/read-manga/ochiru_seija_no_seppun/
http://www.mangago.me/read-manga/kitsu_ka_nu_shisen/
http://www.mangago.me/read-manga/kyoushi_no_junjou_seito_no_yokubou/
http://www.mangago.me/read-manga/cannot_kiss_for_24_hours/
http://www.mangago.me/read-manga/sakaku_opera/
http://www.mangago.me/read-manga/cherry_na_teacher/
okayreiji provided the links above. (๑•ㅂ•)و✧
I forgot the title of the manga but the story evolves around a teacher-student relationship, uke sensei is insecure because he's a guy and that he thinks seme student is disgusted by it when they have sex(student is a womanizer before). but we all know thats not the case. that's the only thing I remember. oh, sensei wears glasses. thanks!