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You can stream Extreme Hearts (2022) on Crunchyroll with a subscription.

The story is set in the future, not long after the present day. Hyper Sports, which use extreme gear as support items, have become popular hobby competitions among both children and adults. Hiyori Hayama is a high school singer who has nothing to do with Hyper Sports, but a certain incident sets the story in motion.

In a near-future where high-octane gear turns casual hobbies into adrenaline-fueled spectacles, the line between sport and spectacle blurs. A teenage singer finds her quiet life upended when she is thrust into the chaotic, fast-paced world of competitive Hyper Sports.