FLOWERING HEART

A special magical story of an ordinary girl! Ari is a fifth grade student who transform into adult with a variety of magical powers to solve problems of everyday life. One day, going to home Ari discovers a strange hamster and ring. She collects hope energy on earth helping the others to save the Flowering Kingdom people of the despair energy. (Source: Mahou Shoujo Wikia) — Description from AniList community (anilist.co).