Nozomi Tsuji
Former Morning Musume member Nozomi Tsuji released her own rendition of the song on May 16, 2007 as the opening theme of the anime "Robby and Kerobby" and as her debut single under the same label of the original version. Though the main track is "Koko ni Iruzee!", the coupling track is different and is named "Happy My Friend."