Responses
Probably not this one as well
http://www.mangago.zone/read-manga/ano_kado_wo_magatta_tokoro/
I've got it!
http://www.mangago.zone/read-manga/hito_ni_ienai_aidagara_yukimura/
-Shadow
The yaoi manga im looking for has these facts in it: two guys meet somewhere and go to a love hotel after they are done they part ways later the next day it shows the first guy is a high school student and the second guy is his new teacher.
And it is NOT Hito ni Ienai Aidagara