Otherwise, I can only say: check user ratings on the platform where you found it, and be aware of content warnings if sensitive topics are involved.
Given the specificity of your query and the apparent reference to digital file naming conventions ( inall c upd ), if you're looking for a specific manga, anime, or piece of literature, I recommend: searching for ijirare fukushuu saimin inall c upd
If you are looking for specific versions or related media, here are the primary entries in the franchise: A Complete Walkthrough + CG, Endings, and Achievement Guide Otherwise, I can only say: check user ratings