Jimihen Jimiko O Kae Chau Jun Isei — Kouyuu 0 Exclusive 'link'

Based on the title provided, this guide refers to the adult visual novel/anime series "Jimihen Jimiko o Kae Chau Jun Isei Kouyuu" (commonly translated as "Plain Girl Changing: Pure Intercourse" or "About a Plain Girl Changing During Summer Vacation").

Since the title ends with "0 Exclusive", this typically refers to a specific bundled episode, a bonus episode, or a specific file naming convention used by distributors for the "Episode 0" or prologue content. jimihen jimiko o kae chau jun isei kouyuu 0 exclusive

Here is a comprehensive guide regarding the series, its plot, and how to approach "Episode 0." Based on the title provided, this guide refers

5. How to Access / Viewing Guide

As this is an adult title, access is restricted. Official Sources (Visual Novel): The original game was

Official Sources (Visual Novel): The original game was released by the brand Waffle. Supporting the official release is the best way to experience the full story with voice acting and multiple routes (if applicable).
Official Sources (Animation): The OVA adaptation was produced by Pink Pineapple, a major Japanese adult animation studio. The "Episode 0" content is often included as a bonus on the DVD/Blu-ray releases or released digitally on their official site.
Streaming: Major public streaming platforms do not host this content due to age restrictions. You will likely need to look for it on dedicated adult video platforms or through the official Japanese distributor's digital storefront.

Guide to Accessing the "Exclusive 0" Content

If you want to view the official "Exclusive 0" chapter, here are the legitimate steps:

3. Digital Store Exclusives

Some digital platforms (DLsite, Fanza, Kindle JP) sometimes have a limited-time exclusive chapter for early buyers.
Check the DLsite page for the official Jimihen doujinshi/commercial release to see if "Exclusive 0" is listed as a bonus.