The used to index decentralized media.

Yuna Ishikawa currently maintains a high level of activity within the FC2-PPV platform, with new works appearing on a semi-regular basis. Given the service's growing subscriber base and her dedicated fan following, it is likely that she will continue to be a major presence on the platform for the foreseeable future. Additionally, her work for DVD distribution with publishers such as and 変態印抱きつき面接官 suggests she has no intention of slowing down her professional output anytime soon.

The actress featured in is identified as Kurea Nanase (七瀬くるみ). Career Overview

Unlike traditional Japanese adult video (AV) production, FC2-PPV focuses on , allowing creators to upload, share, and sell original amateur adult videos directly without studio involvement. This contributes to a marketplace-like environment where creators can monetize their videos through sales, and for viewers, it provides access to content that often feels more native, unscripted, and authentic compared to studio-produced films.

The code refers to a specific, independently produced Japanese adult video release distributed through the FC2 Pay-Per-View platform. Because FC2-PPV operates as an open marketplace for independent creators and amateur videographers, these videos bypass traditional studio production pipelines. Consequently, the performers in these releases are typically anonymous or independent models, rather than established adult entertainment actresses registered with major corporate agencies.

Independent indexing blogs and adult video databases frequently track FC2 releases. They often cross-reference pseudonyms with known mainstream AV actresses if a crossover occurs.

: Comprehensive domestic databases index independent releases. Searching the numeric string 4159457 on specialized review blogs or look-up boards often reveals community-contributed actress names, body measurements, or her status as a "Kikaku-mono" (concept video) model.