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A blonde male character in a school uniform performs sit-ups in a classroom, followed by a sequence of other anime characters displaying intense expressions: a man with a heart-shaped hairdo against a fiery background, a blonde girl with a surprised look near candles, a dark-haired girl with a bandaged face in a doorway, a red-haired girl with a blush, and a girl with a striped hat and wide eyes in a red-lit environment.