During waking hours, Silas Vane’s eyes are described as a dull, watery blue. But when the demon takes control for "night walking," his irises contract into pinpricks, and the sclera (the white of the eye) turns the color of old parchment—yellowed and veined with dark red.
While detailed walkthroughs for this specific visual novel are less common than for the original game, guides for this genre typically focus on "correct" dialogue choices to unlock specific character routes or endings. Key Elements of a Typical "Taker" Style Guide