What episode of Shugo Chara do amu and tadese kiss?

In "Shugo Chara!! Doki," Amu and Tadase share a kiss in episode 25, titled "The Heart's Wish." This moment occurs during a significant scene where their feelings for each other become clear, marking a pivotal development in their relationship. The kiss symbolizes their growing bond and the culmination of their emotional journey throughout the series.