Kanashi Kanashika
カナシカナシカ
A middle schooler named Ai has always sensed an unseen presence since childhood. After entering a parallel universe, he encounters a girl resembling his mother named Suzuro. Ai learns that Suzuro is actually the biological daughter of his parents, and that he was swapped with her while in the womb. Confronted with this revelation, Ai must decide how to navigate this unexpected connection. The narrative explores the lives of two children linked by an unusual twist of fate.
