I Can Only Use Tentacle Magic as a Transformed Magical Girl

'''【Magical Girl】 + 【No Marriage】 + 【Plot-Driven】 + 【Alternate Identity】 As the former top magical girl of the Moonlight Order, Mandala was forced to kill her teammate during a mission, becoming a wanted criminal by the Magical Court. Due to contamination, nearly all of her magic has become ineffective, leaving her with only the use of unorthodox tentacle magic. To evade capture, Nan Yuli has almost entirely abandoned her identity as a magical girl, blending completely into the mundane crowd of ordinary people. Until one day, her younger sister suddenly aspires to become a magical girl, and it seems she is on the verge of achieving it. At this moment, Nan Yuli panics... "Your brother i...