Uketsu is Japan's enigmatic masked author and YouTube creator, famed for his eerie videos and unsettling mysteries. His debut novel Strange Pictures became an international bestseller, translated into over 30 languages. Drawing on visual puzzles and psychological suspense, he crafts horror that lingers long after the final page.

Kikou Aiba is a Japanese manga artist known for his distinctive storytelling and artistic style. He gained recognition for his work on Henna E, a series that delves into the eerie and surreal, capturing the unsettling nature of everyday life. His illustrations bring a haunting visual dimension to Uketsu's spine-chilling narrative.