Trivia

Anne Suzuki and Yû Aoi provide the voices of Hana and Alice, respectively, whom they also played in Hana and Alice (2004).

This movie acts as a prequel to Hana and Alice (2004), which was released 11 years earlier.

The ending scene where Hana and Alice are walking on their way to school seems to be continued in the opening scene of Hana and Alice (2004).

Haru Kuroki who plays the homeroom teacher, Satomi Hagino, is actually younger than Anne Suzuki (by almost 3 years) and Yû Aoi (by almost 5 years) who play her students Hana and Alice, respectively.