Koisuru Asteroid: KiraKira Zoukan-gou (Asteroid in Love)
Jan. 04, 2020
Seasons and episodes
Mini anime of Koisuru Asteroid where characters explain astronomy and geology. Later included in the Blu-ray/DVD.
Original title Koisuru Asteroid: KiraKira Zoukan-gou
First air date Jan. 04, 2020
Last air date Jan. 25, 2020