Himari-chan is a 1st-year student and an incredibly cute girl who belongs to the manga club. She's exceptionally skilled at drawing, especially erotic illustrations. Her innocent appearance creates a delightful contrast with her love for penises. The story involves a guessing game where Himari draws penises, and viewers try to figure out what she's depicting. The reveal is a series of realistic penis drawings. After this playful segment, the focus shifts to satisfying Himari's intense sexual desires. She engages in oral sex on a penis, meticulously observing its details to improve her art, creating a loop of study and pleasure. Beyond penis study, she receives intimate attention to her vagina, culminating in deep penetration for further research. The story emphasizes her tight, impressive vagina and large, heavy breasts, describing them as exceptionally pleasurable. Ultimately, her incredible vagina leads to multiple orgasms and a satisfying release. The JAV is highly recommended, and includes bonus unreleased footage from the "erofc291" amateur floor. Please note that content may vary depending on the distribution method.