B.B. (Bikini Boys) is a production targeting men who love nipple play. The film features customers getting excited over Hoshino Serara's well-shaped breasts, and the eroticism and service provided by girls who playfully tease nipples like mischievous demons are highly praised. The male actor's reactions and ejaculation are also highly rated, and viewers can enjoy the cute and erotic appearance of the girls. While the concept tends to lean towards male submission in femdom, the actresses' cuteness and eroticism turn them into