"Thumb Your Nose" / "We are North and South") is a double A-side single featuring the opening and ending theme songs from the Japanese anime series Kirarin Revolution.

The single was released on August 1, 2007 and is performed by Kira Pika (きら☆ぴか), consisting of Koharu Kusumi from Morning Musume and Mai Hagiwara from Cute acting as their characters, Kirari Tsukishima and Hikaru Mizuki.

[7] "Futari wa NS", the seventh ending theme song to Kirarin Revolution, was included as the second A-side and is also performed by Kira Pika.

[10] The music video for "Hana o Pūn" shows Kusumi and Hagiwara dressed up as their characters, Kirari Tsukishima and Hikaru Mizuki.

[10] Editors at Barks praised "Hana o Pūn" for its catchy melody and called it a "stand-out" of the summer 2007 season, attributing part of its quirkiness to the music video.