If you are looking for the most "official" or up-to-date guide, the developer often provides PDF guides or secret-code lists to their supporters.
: Look for expanded scenes with the "Teacher" route or specific childhood friend characters, as these are often the focus of early-version updates. Progression gakko no monogatari school story v 025 guide free
While the early builds (v0.01) focused on core engine stability, recent updates have expanded the world significantly. If you are looking for the most "official"