Summer 2025 has been a standout season thanks to the return of popular franchises and the release of groundbreaking anime . However, while many viewers have yet to catch up on the best ongoing titles and debate rages on social media about which series deserves to be at the top, Japan has already settled on the best anime of summer 2025 .

Although many fans expected anime like Dandadan Season 2 or Gachiakuta to take the spotlight, an underrated Shōnen Jump series reached the Japanese audience, becoming the sleeper hit of Summer 2025. According to a recent poll on Kadowaka's website, Dengeki Online, Japan's most popular anime of summer 2025 is a remake that has flown under the radar for Western viewers.

Hell Teacher: Jigoku Sensei Nube Takes First Place as Most Popular Anime of S

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