The Student Mahoro Yoshino

Mahoro Yoshino is a beautiful female student who possesses a fat body but her face is like an angel maximizing that emoticons. Although beautiful, Mahoro Yoshino has a very bad academic record, so today she has to go to class after school with a personal boyfriend to retake a subject of a difficult teacher. Even though it was a retest, the girl used the material when she took the test and handed it to the other person. Of course, this could not get past the difficult person. Then what's the next story?