: Usually features a transition from casual everyday wear (such as a school uniform or summer dress) to more intimate attire (swimwear or lingerie), consistent with the "Special" series format.

is a well-known Japanese digital media site that specializes in high-quality photography and videography of "idol" models. The "SP" (Special) designation typically refers to a specific sub-series or format within their catalog. Model : Risa Tsukino (月野りさ) Series ID : SP No. 5 Part : Part 2 Helpful Text and Content Overview