Unlike most rhythm games, Hiiragi's Practice Diary follows a loose narrative framework: each session represents a day in Hiiragi’s practice log, complete with intro and outro text screens written from her perspective. The "Final" in the title indicates this is the concluding chapter of the series, featuring:
To clear this chart is to survive. To All Perfect (AP) it is to achieve Zen. Hiiragi-s Practice Diary -Final- -K-DRIVE--
: The standard release is listed as "not voiced," meaning dialogue is presented through on-screen text rather than recorded voice acting. Unlike most rhythm games, Hiiragi's Practice Diary follows