Bonus Track: Atarashii Yoru no Hanabi
Japanese title: あたらしい夜の花火
Alternative titles: O'sumo-san, Osumo-san, Sumo Wrestler
Type: Special
Source: Original
Episodes: 4
Status: Finished Airing
Aired: Aug 1, 2021
Duration: 1 min per ep
Rating: G - All Ages
Genres: Avant Garde

Four short animations screened at the in-person venue "BONUS TRACK" located in Shimokitazawa, Tokyo.