The anime Hiatari Ryoko! Yume no Naka ni Kimi ga Ita movie was released 8 years after the manga Hiatari Ryoukou release. Mitsuru Adachi is known for Hiatari Ryoukou and such works as Katsu!. Mitsuru Adachi began working on it after finishing Katsu!. Kouhei Tanaka composed music for Hiatari Ryoko! Yume no Naka ni Kimi ga Ita movie. The anime is filmed as a comedy with slight romance, sports.