Finished Airing
Yakusoku (2019)
約束
Music
4 min per ep
Sep 14, 2019
Synopsis
The video can be considered a prequel to Saikai. Similarly, there are two versions of the video that are sung by Hatsune Miku on Niconico, and Harumaki Gohan on YouTube, both focus on a different girl.
Studio: Studio Gohan
Producers:
Background:
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