Senpai, Doko Ikun Desu ka?

 is the debut single released by no Filter.

It was released on September 23, 2021.

Digital Single Information

 * Lyrics: Kondo Kaoru (近藤薫)
 * Composition: Kondo Kaoru
 * Arrangement: Sawagashira Takashi (沢頭たかし)

Tracklist

 * 1) Senpai, Doko Ikun Desu ka? (先輩、どこ行くんですか？; Senpai, Where are You Going?)
 * 2) HERO

Featured Members

 * Rie
 * Fuua
 * Nano
 * Suzu
 * Rin
 * Yunaha