While Nagihiko was in Europe, he dropped the confidence of dancing like a
girl and Temari was forced back into her egg, at the same time,
Rhythm's egg was born, which he later brings with him back to Japan.
When Nagihiko remembers how much he loves basketball in his own rhythm,
it hatches into the cool and outgoing Rhythm.
Shugo Chara (しゅごキャラ My Guardian Characters)