A nightmarish depiction inspired by the malevolent aspects of Japanese Oni culture, presented in a captivating portrait view. This highly detailed, 8k hyperrealistic splash art captures the essence of a concept art piece with a mid-shot composition. The intricately detailed rendering showcases dramatic color depth, accentuated by a 2/3 face angle and side lighting. The vibrant background adds an unsettling yet mesmerizing atmosphere. The figure, characterized by an ugly, deformed visage with mismatched eyes and crooked lips, embodies a sense of haunting realism. The composition features peculiar anatomy with hints of mutations, capturing the unnerving essence of the Oni. Despite the creature's unreal attributes and disfigured appearance, the artwork maintains a strong focus on its terrifying presence. The overall impression is chaotic, with ambiguous body positioning and hints of disturbing deformities, emphasizing an otherworldly aesthetic that captivates and unnerves.