Maora Tsukishiro

Maki Asano works as a secretary in the Teito Heavy Industries Development Secretariat. However, that is just her public face, and Maki's real job is as a special secretary directly under an executive. Maki receives a mission from the managing director to "recover important secrets that have been leaked," and she begins her investigation with her partner, former detective Kawasaki...

Ayuko is left alone at home while her parents travel abroad. Her childhood friend Isao and his bandmate Utsuho show up and their limited-time only sleepover begins.