Responses
Haven't read it in a while but it sounds a little like Oh! My Assistant.
https://www.mangago.zone/read-manga/oh_my_assistant/
Pretty sure its
https://www.mangago.zone/read-manga/sensei_mou_dame_desu/
There's this guy who is like very aromantic and or asexual but is a BL artist. He wants to draw poses and I think hires a guy to do the poses for him. But amidst that situation, the guy who poses for him falls in love with him I think. The BL artist guy wears glasses.