"Shugo Chara! Doki!" is the second season of the anime series based on the manga created by Peach-Pit. It follows the adventures of Amu Hinamori, a middle school girl who discovers her Chara eggs, which represent her hidden personalities and dreams. Each egg can transform into a Chara Change, allowing her to gain new abilities and confidence. In this season, Amu continues her journey with her friends, the Guardians, as they protect the Humpty Lock and battle the Easter Company, who seek to capture Chara eggs for their own purposes. The series explores themes of self-discovery, friendship, and the importance of embracing one's true self.