The latest installment, number 15, of the My Butter Dog series stars the curvy Haruki Sato, popularly known as "Harukichi"! She can't withstand the cunnilingus attacks from the perverted dog and is overwhelmed to the point of losing consciousness during the outdoor scene, climaxing repeatedly. Her frenzied reactions transform her body into a state of craving, making her mating with the butter dog even more anticipated. The climax features her reaching orgasm and releasing a massive amount of squirt, which is not to be missed.