Keifuku-san's third and last installment features fresh footage, serving as a concluding chapter to its preceding two parts. It charts the journey of a young woman attired in a railway conductor's outfit and her companion, a levitating manta ray, as they delve into a realm of supernatural phenomena. The video proudly highlights the direction of Tatsuki, animation by Hirayasu, and artwork by Yukko, all belonging to the animation outfit irodori. Apart from these, Yumiri Hanamori lends her voice to the production.