There was this one yaoi manga that I read where the seme doesn't like big boobs and is about to have sex with this girl who he think is flat chested but she hides it the he leaves her. Then runs into this cute uke at school and they get together
http://www.mangago.me/read-manga/nise_x_koi_boyfriend/mi/bfd718e68b90afc0f5dac538b4c148ac_chapter-4/1/
There was this one yaoi manga that I read where the seme doesn't like big boobs and is about to have sex with this girl who he think is flat chested but she hides it the he leaves her. Then runs into this cute uke at school and they get together