Junjou tte Nan Desu ka?

 is the second digital single released by no Filter.

It was released on November 5, 2021.

Digital Single Information

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

Tracklist

 * 1) Junjou tte Nan Desu ka? (純情ってなんですか？; What do You Mean by "Pure Heart"?)

Featured Members

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