Kiku "Magical Daisy" Yakumo
About
The leader of Team Daisy, she is a magical girl who is the main character of an anime called Magical Daisy. Her real name is Kiku Yakumo. Daisy's magic allows her to fire a beam that degrades its target on a molecular level.
(Source: Mahou Shoujo Ikusei Keikaku Wikia)