My childhood friend Hikaru and I spend every day together. She proudly declares, "It's a childhood friend's privilege!" and casually helps me masturbate or gives me blowjobs during her work breaks, acting innocently and genuinely pure all the while. While I take advantage of her playful nature, my heart constantly wavers. But one day, I'm caught in the act of being intimate right in front of her, throwing my emotions into chaos. A thrilling story blending pure romance and intense erotic elements unfolds here.