Seiyoku Tsuyotsuyo The Animation  

性欲つよつよ THE ANIMATION

Haruki Nanase is a high school student who begins dating Ryosuke, a popular athlete known for his macho demeanor. Her friends are envious of her because of Ryosuke's attractive qualities. However, after some time, Haruki becomes frustrated with Ryosuke's selfishness when it comes to their sexual relationship. She feels that she is not receiving any pleasure from their intimate moments. As a result, Haruki's stress levels continue to rise each day. To relieve some of this tension, she decides to make fun of Nazaki, a quiet classmate who she perceives as being weak. In an attempt to embarrass him, she pulls down his pants in front of their classmates.