Yui Nishikawa, a current female college student, gives personal guidance to male students as a private tutor! However, Yui-sensei, who has a difficult personality, cannot refuse her student's naughty requests. She is begged by students who are worried about her teacher's body and can't concentrate on studying, and in order to make her feel refreshed, she agrees to give him a blow job, hand job, and even sex! My cock and grades skyrocket due to Yui-sensei's special lessons! ?