Special episode of Tonikaku Kawaii released Fall 2022.

New year special. Summary recap. This episode should be seen between episodes 12 and 13.

Extra science lessons included with the Gunbuster Blu-ray Box Complete Edition. These explain how the space ropeway works, and time dilation...

The science lessons are short "omake" bonus features originally present on the first two volumes. Each short lasts around two minutes, and s...