Koichi Toki, a banal businessman who was brought to another world in a net cafe he happens to enter with his first love, Kaho Tono. In the net cafe with the Terasawa the tyrant targeting Tono and in control of the net cafe, both Tono and Toki realize their love for each other for the first time in 15 years. Then, a strange, lost child comes calling Toki, "Papa." Who could it be? Tono's own cell phone holds the secret to this world, locked in "the thoughts of Toki's first love..."