Diebuster Science CourseTop wo Nerae 2! Diebuster! Science Lesson
Special
Sci-Fi · Comedy
The science lessons are short "omake" bonus features originally present on the first two volumes. Each short lasts around two minutes, and stars super deformed versions of Noriko, Kazumi and the Coach explaining the various scientific aspects of the series.
Special
Sci-Fi · Comedy
OVA · Spring 2002
Mecha · Sci-Fi
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Slice of Life · Comedy
ONA · Spring 2021
Mecha · Mystery