Not sure if this is what you're looking for - the uke is pretty, not "unapproachable" though, but does become the seme's model... but the seme loves art and has thick eyebrows, and scares people with his expression.
http://www.mangago.me/read-manga/iki_o_tomete_ugokanai_de/
Yes this is it thank you!!
Ah.. I just realize I didn't click +, so I didn't know Eiz already replied. Sorry then.
Thank you too as well!
It's a yaoi about 2 highschool boys. Seme loves to draw and has huge eyebrows making people thing he's dangerous. Uke is an unaproachable pretty boy who watches the seme draw and models for him. That's pretty much all I know! Please help me out!