被害妄想携帯女子（笑） (Higai Mousou Keitai Joshi (Wara))

Background
This song has made it into the Hall of Fame, reaching over 700k views. It is Giga-P and Suzumu's first collaboration, the second one being Undead Enemy. It has ranked in first place during the week it was uploaded in the Niconico VOCALOID Ranking.

Prior to the upload of GUMI's version of "Higai Mousou Keitai Joshi (Wara)" in 2014, an album-exclusive Len version of this song was available in the album Gigabanana the Best ~USUSHIO Aji~ (ぎがばなな ざ べすと ～USUSHIO味～).