Besides Kurī-kō were many other ports that boats would use in the past. At the Kokai Bus Stop is a schedule for buses to Nishinoshima Island that perhaps remains as a relic of those days. The bus stop has also become a small library of sorts, as there have not been any libraries in Chiburijima until quite recently.

We stayed overnight at Kokai for interviews, and we felt something mysterious about the Kokai Bus Stop at night—as if bus heading to space was to come by to pick us up any moment.