Charles Fréger's book "Yokainoshima" delves into Japan's time-honored festivals and rituals that celebrate fertility and abundance through intricate costumes. These outfits, crafted from natural materials like textiles, branches, and straw, are worn in Japan's rural, agricultural, and fishing communities during seasonal rites. Fréger's photographs uniquely blend documentary precision with portrait artistry, capturing the surreal masks and characters appearing each season. Accompanied by expert texts in Japanese folk culture and anthropology, the book contextualizes these diverse costumes, local festivals, dances, and rituals, offering a captivating glimpse into these centuries-old traditions.