Credits (This is a non-academic content):

(all of the Japanese translations are translated by DeepL Translate)

DeepL. (2019). DeepL Translator. Deepl.com. https://www.deepl.com/en/translator

(Information)

Rolz246. (2022). Rolz. UTAU Wiki; Fandom, Inc. https://utau.fandom.com/wiki/Rolz

(Design)

ssharkteeth. (n.d.). Shark! YouTube. Retrieved September 21, 2024, from https://www.youtube.com/channel/UCoWUZOWXNEgJ89bFF3yB09w