Omakase♪Guardian (おまかせ♪ガーディアン; Leaving it to Me♪Guardian) is the first single released by Guardians 4. It was released on May 27, 2009 on the Pony Canyon label in two editions: regular and limited. The Single V was released on June 10, 2009.
The title track was used as the third opening theme for Shugo Chara! Doki—. A version sung by Shugo Chara Egg! is also included as a coupling track.
It charted at #18 on the Oricon weekly charts and sold a total of 10,563 copies. The single V charted at #8 on the Oricon weekly charts and sold 2,996 copies.
