25-year-old Haruka Koide worked part-time as a private tutor. The opening scene shows her in a car, chatting while someone playfully gropes her extremely large, taut breasts through her T-shirt. The main feature consists of reenactment footage, vividly depicting Haruka's own recounted experiences with pubescent students during tutoring sessions. The explicit scenes include touching her 95cm H-cup big tits and performing blowjobs, delivering a realistic portrayal of these lewd encounters.