Souta Kishibe

A close friend and ally of Snow White, revealed to be Koyuki's male childhood friend who also loves magical girls. Despite being a boy, his body becomes that of a girl's while transformed. As a magical girl, La Pucelle wears a Dragon Knight style attire, with draconic motifs in her armor. Her ability allows her to change the length and size of her sword at will.

[Spoiler] La Pucelle is the third magical to die after being severely beaten by Cranberry and pushed in front of an oncoming car. [/Spoiler]

(Source: Magical Girl Raising Project Wiki)