Sound of Rain, the winning proposal by Steven Chu for the NOT A HOTEL design competition, is an architecture formed by accepting the inevitability of Yakushima’s rainfall as a collaborator that defines structure, ritual, and experience.
The atmospheric reality of the island serves as the starting point for Chu’s vision, where rain is treated not as an environmental challenge to be managed, but as a fundamental condition from which space emerges. On an island where “it rains 35 days a month,” the project moves beyond traditional boundaries to create a threshold between sky and earth. Instead of a static object, the proposal suggests a calibrated state of living where the geometry is derived directly from rainfall volume and gravity flow, marking the moment cultural memory began to be shaped by water.

The Spatial Order of Ritual organizes the plan, featuring a sunken conversation lounge and an outdoor irori that gather around a central atrium. This layout balances shared functions with sleeping chambers that are intentionally withdrawn and darkened—cultivating shadow in the spirit of Jun’ichirō Tanizaki—to allow for stillness and recovery. An elemental sequence unfolds along a single north-south axis, where earth, air, fire, and water are experienced through presence rather than representation, allowing the body to recalibrate its sense of time.

A dialogue with elemental forces defines the conceptual framework, framed between two spherical forms echoing Sky and Earth. The design follows the path of previous NOT A HOTEL ventures that prioritize radical immersion, such as the undulating green roof of Sou Fujimoto’s Earth villa in Ishigaki or the mobile fluidity of NOT A HOTEL ANYWHERE. In Yakushima, the roof acts as infrastructure; a thin veil of rainwater is staged above the flat roof and central oculus, softening daylight and cooling the interior while ensuring water is never allowed to pool or stay stagnant.

Technical precision meets poetic resonance in a gravity-based system designed to ensure a steady cascading waterfall through a carved opening at the entry. The materiality is designed to age with dignity, featuring a granite plinth that emerges from the ground like a found artefact and clay plaster walls composed of local sand and filtered rainwater. This approach to site-specific intervention echoes the tectonic honesty seen in Suppose Design Office’s use of copper and stone for the Minakami onsen villa, where the architecture reads as both ancient and precise.

Redefining the luxury of absence, the project aligns with the broader masterplan for the area, which includes the upcoming NOT A HOTEL YAKUSHIMA by Jean Nouvel. While Nouvel’s work focuses on the dialogue between stone and transparency, Chu’s “Sound of Rain” emphasizes the ephemeral and the resilient. The spaces are organized around the experience of the downpour—filtering sunlight and moonlight through rain and roof depth—ensuring the “home” is a specialized filter for nature’s most potent form.
The contextual impact of the design lies in its humility; it suggests that to live in Yakushima is to live with the water. By elevating a common meteorological event into a celebrated cultural experience, the project ensures that the memory of the site is preserved through the senses. As the latest addition to a portfolio of high-authority architectural landmarks, this proposal reinforces a shift toward hospitality that values environmental deep-time. You can follow NOT A HOTEL on Instagram or visit Steven Chu’s website for more details.




