Rikuo Shiranui is a prominent character in the anime series 'Onmyoji.' As a skilled onmyoji, Rikuo plays a crucial role in maintaining the balance between the human and spirit worlds. His character is complex, displaying both strength and vulnerability as he navigates various challenges. Rikuo is known for his unwavering determination and loyalty to his friends and allies. Throughout the series, he often finds himself in difficult situations that test his abilities and resolve, all while uncovering deeper mysteries about his family's legacy and the spiritual realm.