It's Got To Be Cool! Beat Jumper!
Nagihiko's newly born guardian angel character, Rhythm, was born and is a hit with the Guardians! However, Rhythm begins fiddling with Nagihiko by character changing into someone with quick reflexes. He recalls his confusion with that personality trait. At that time, Amu runs into a mysterious boy in town. Source: crunchyroll
Aired 18/07/2009EP 41 - It's Got To Be Cool! Beat Jumper!

2008
Shugo Chara!! Doki
With things having quieted down a bit for the Guardians, they can now focus on things besides fending off the peril of the evil Easter Corporation. Amu is having some troubles deciding which guy she likes the most, and hiding Ikuto in her room. Not only does the Embryo still elude the Guardians, and worries of Easter being suspiciously inactive, the threat of a new X Egg appears...