The single was released on October 28, 2009[1] and was used as the ending theme for TV Tokyo's show, "The Gyakuryū Researchers".

It was the last single featuring Morning Musume's seventh generation member Koharu Kusumi.

The Single V DVD for "Kimagure Princess" was released on November 4, 2009.

[2] The music video for the single was recorded at La Foresta di Magnifica.

[3] This was released in four editions, limited A & B coming with DVDs, while limited C comes with 10 changeable covers (one for each member and one for the group) and a regular edition Kimagure Princess Vocals Main Voc: Ai Takahashi, Eri Kamei Center Voc: Risa Niigaki, Reina Tanaka Minor Voc: Sayumi Michishige, Koharu Kusumi, Aika Mitsui, Junjun, Linlin Aishite Aishite Ato Ippun Vocals Main Voc: Ai Takahashi, Risa Niigaki Center Voc: Eri Kamei, Sayumi Michishige, Reina Tanaka Minor Voc: Koharu Kusumi, Aika Mitsui, Junjun, Linlin