A full investigation into underground adult spots across Japan! Our mission is to gather information from online forums, word-of-mouth, and every possible source, then head to the locations ourselves. This time, we're in Shinjuku, bringing you the first encounter based on intel from a net forum: 20-year-old college student Aki, who has part-time experience in fashion retail. With F-cup breasts and a blend of cute appearance and mature charm, she heads to the pickup car operating in a delivery health style. When you enter the car where Aki is waiting, you're greeted by her sweet voice and the sight of an adorable busty beauty. We'd been told in advance that "there's pre-service in the car," so anticipation runs high. Aki shows up in a summery outfit with generous skin exposure, and she reveals her type is a caring guy who lets her be clingy. Despite the presence of a guide, their conversation creates an intimate, private atmosphere, flowing with lively, flirty banter. Soon, erotic talk fills the car, leading into pleasure time with Aki’s big breasts being touched and a blowjob. After enjoying her blowjob, they're chauffeured to a nice hotel room for a passionate, loving session with the irresistible Aki. First, a shower play session kicks things off—under bright, cheerful vibes, her enchanting body is caressed, brought to squirting orgasm through fingering and cunnilingus. Enjoying her shy blowjob in private, they then move to the bed, where vigorous piston thrusting makes her big breasts bounce wildly, building intense satisfaction in a lover-like atmosphere. Although the pre-service includes a guide who might distract some, from the moment you see her busty figure, the erotic tension soars. With her friendly chat and highly responsive body, Aki proves to be a sexy, cute, busty girl worth coming back for.