Complex sentence: Debuted in the fifth wave of arcade cards and episode 33 of the anime, when she transfers into Starlight Academy in the hope of becoming Mizuki's partner in Tristar.
Split into simpler sentences: Debuted in the fifth wave of arcade cards and episode 33 of the anime, when she transfers into Starlight Academy. She enrolls in Starlight Academy in the hope of becoming Mizuki's partner in Tristar.