WIND BREAKER’s Sakurayo, Sobo Hayato, Ren Kaji, and Kazunohi UmeMiya’s “Final Battle” Visual Unveiled for the Soraniwa Spa Collaboration

WIND BREAKER will partner with Soraniwa Spa (空庭温泉) for a limited-time collaboration featuring new “final battle” key visuals for Sakurayo, Sobo Hayato, Ren Kaji, and Kazunohi UmeMiya. The event includes exclusive collaboration merchandise and themed menu items, plus a collaboration rock-bath (iwa-banho / 岩盤浴).