: Large collections are often split into multiple smaller volumes (Part 1, Part 2, etc.) to make them easier to upload and download. You would typically need all parts (Part 1 through Part X) to successfully extract the full folder using software like WinRAR or 7-Zip . What is the "Story"?
: This indicates the range of content included in the set (e.g., chapters 401 to 500 or image sets 401 to 500).
If this is indeed the visual novel or 3D comic series, the "story" usually follows a protagonist navigating various romantic or sexual encounters with different characters. The specific plot for the 401-500 range would likely be the or a later season of the series, where relationships have already been established and the narrative focus shifts toward specific character arcs or "climax" events.