This is the office building for the solar power company based in Osaka. They wish to design the dynamic and spiritual worldview lurking deep in the mountains by recreating huge rocks which often seen deep in Japanese mountains in the city. Chiseled with artificial rocks and vertical wooden lattices, the building facade manifests the design concept "Fusion of Nature and Art." The artificial rock embedding facade of the ground floor to the 2nd floor continued to the entrance and the artificial rock merges with a sculpture on a theme of love. Art is layered throughout the whole building.

Taiyo Setsubi Inc. is a solar installer company which specializes in subdivision and site plan, construction, sales plan and maintenance. Their business also includes real estate.