Teenage math whiz Kenji Koiso agrees to take a summer job at the Nagano hometown of his crush, Natsuki. When he arrives, he finds that her family have reunited to celebrate the 90th birthday of their matriarch. His job: pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with Earth.
Summer Wars streams on cinevo in the best quality we can source for it, with subtitles in dozens of languages. Playback works in any modern browser on phones, tablets, laptops and smart TVs, and your position is remembered across devices.