Blowjob with boyfriend

Hello, my boyfriend wants me to give him a blowjob but he won't do anything in return. I kind of want to perform oral but he only wants it if I'm naked which I don't feel comfortable doing. I have very low body confidence due to my tubular breasts but even though I want to tell him that's the reason, I feel like he won't understand. I would give him a blowjob if he would perform oral on me and I would have my bra on but he refuses. "I'm not doing anything on you so get naked and suck my dick". Plus I feel like he would tell his friends and everyone in the school will find out.

Thank you