The movie is set during the final summer vacation of middle school for and Nishikata . As they prepare to move on to high school, they find an abandoned kitten at a shrine and name her Hana . Since neither can take her home initially, they care for her together at the shrine while searching for a permanent owner. Key Story Beats
While there is no "Episode 1" for the Karakai Jouzu no Takagi-san movie (as it is a feature-length film), it serves as the definitive conclusion to the anime's middle school arc.
Much of the film focuses on their shared responsibility in raising Hana, which deepens their bond and forces them to confront their impending separation after graduation.
A central event where the duo spends time together during the island's traditional summer festival, mirroring similar romantic growth seen in previous seasons.