Sharp-Tongued Heiress Conquers the Universe with Mecha

Lilis Cavendish, a noble young lady, turns out to be a Muggle who can't use magic. If she fails the trial, she'll have to go home, inherit a fortune, and marry the prince? No way! No matter how hard Lilis tries, she can't win, until a voice tells her: Activate the mecha! Fight! Awesome! Just as Lilis finally becomes an adventurer, she gains an energetic girl named Qingxu as a spirit who follows her around. Qingxu can't leave her and can even control her body. Lilis has just one thing to say: Stop controlling my body and saying weird things!