Ayato Naoi appears in the crossover series *Kaginado*, presenting chibi-style versions of characters from multiple Key franchises, including *Angel Beats!*. Within this ensemble series, he features among the *Angel Beats!* cast alongside characters like Yuzuru Otonashi, Yuri Nakamura, Kanade Tachibana, and Hideki Hinata. Official sources confirm his inclusion in the series character listing. However, specific narrative arcs, interactions, character development unique to his role in *Kaginado*, or concrete details about his actions, contributions to the plot, activities, relationships, or background as depicted in *Kaginado* are not detailed. The series primarily employs its characters for comedic and episodic vignettes in its crossover setting.