Series: Shugo Chara!
Episode Number: 16
English Title: One Two Three☆Heart's Magic!
Romanji Title: Wan Tsū Surī☆Hāto no Majikku!
Kanji Title: ワン・ツー・スリー☆ハートのマジック!
Airdate: January 26, 2008
Directed by: Miho Hirao
Written by: Ryunosuke Kingetsu
Preceeded by: Episode 015: The Battle at the Snowfield! Save Snoppe!
Followed by: Episode 017: The Breathtaking Speech Contest!
The Guardians meeting with the child magician Zero, who is also the fourth-grade student at the school, named Takuya Nakagura. Takuya tells the Guardians about how he loves performing magic. However, as he became more popular, his manager did not want Takuya to perform real magic on stage, instead relying on CG affects. To help, the Guardians organize a magic show where Takuya performs under an alias. Amu undergoes a Character Change with Miki to create a new and precise attire and alter ego for him, named as "Shining Zero", the newer version of Zero. The performance begins as Takuya was shown, standing on a building, but disappears. Takuya appears on stage, as Amu was hiding on the building as a clone of Shining Zero. Takuya then presents real magic, making the students awed in surprise and excitement. Ran forced a Character Change with Amu on stage, thanking Takuya for his performance.
After the performance, the Guardians celebrates Takuya's pride, except for Amu, as she was stressed and upset by Ran, who Character Changed with her. Takuya talks about an imaginary friend named Zero, who turns out to be his Guardian Character. Amu also confides her suspensions about Yuu Nikaidou with the other Guardians. At the studio, Takuya learns that he has been fired, and Nikaidou attempts to turn Zero into an X Egg. The Guardians arrive at the studio just in time to see Nikaidou leave, but Zero has already become an X Character. Amu does a Character Transformation with Miki, becoming Amulet Spade and purifies Zero.