In this specific context, "install" likely refers to the digital setup or downloading of the content via specialized players or adult content platforms.

Hikaru Nagi's first anniversary follows her significant debut and subsequent name change. She is managed by the agency. While her first year was marked by high productivity and successful releases, reports from mid-2025 indicated she took a break due to health reasons , leading to the cancellation of several appearances after her anniversary celebrations.

This anniversary special was released on March 10, 2024 , under the S1 NO.1 STYLE studio label.