I Say Yes-Zero no Tsukaima-Futatsuki no Kishi

 I SAY YES is the opening theme of TV anime Zero no Tsukaima second season.   The Familiar of Zero (ゼロの使い魔 Zero no Tsukaima?) is a fantasy and comedy-oriented series of Japanese light novels written by Noboru Yamaguchi, with illustrations by Eiji Usatsuka. Media Factory published the first volume in June 2004 and 20 volumes have been released as of February 2011. The story features several characters from the second year class of a magic academy in a fictional magical world with the main characters being the inept mage Louise and her familiar from Earth, Saito Hiraga. "I SAY YES" is well known by people and if you like it, you can also download the free I SAY YES sheet music to play with Everyone Piano. Just Enjoy It!