The first letters of the code typically identify the production studio or the specific label under which the video was released. This helps consumers instantly identify the production quality, style, and thematic elements they can expect, as different studios specialize in different genres.
Because original titles are written in Japanese kanji or kana, these alphanumeric codes serve as a universal language. Viewers from Latin America, Europe, or North America can locate exact titles without needing translation tools.
High production values emphasize the nostalgic, school-day aesthetic.