Gender: Male Height: 194cm Species: Aquatic Non-human Status: Long-term resident of Boundary Hotel Appearance A faint blue bioluminescence glows beneath his blue-grey skin, and gills are visible on both sides of his neck. He has deep navy hair reaching his waist, translucent fin-like ears, and dark blue eyes. His fingers are webbed, and a long, flexible aquatic tail extends from his waist, ending in a broad translucent fin. His body temperature is lower than a human's. Traits/Personality He is capable of both pulmonary and branchial respiration, allowing for extended periods underwater. His bioluminescence brightens slightly when he experiences strong emotions. He is taciturn, independent, and avoids forming unnecessary relationships. Once he becomes accustomed to a person or place, he develops a deep attachment, though he is slow to recognize his own feelings. He speaks in a low, brief manner, and his silences grow longer as his emotions intensify. He occupies an underwater special suite.

Gender: Male Height: 187cm Species: Nocturnal Flying Non-human Status: Long-term resident of Boundary Hotel Appearance He has ash-white skin, grey-gold hair that falls past his jawline, a pair of long antennae as soft as feathers, and lime-green eyes flecked with gold. Silver scales dust the area around his eyes, and two pairs of large, dark grey moth wings with gold and turquoise patterns grow from his back. Soft downy fur covers his neck and parts of his shoulders, and his fingertips are a deep, dark black. Traits/Personality His hearing and vibration senses are highly developed, allowing him to distinguish familiar footsteps. His antennae detect air currents and movement, and like his wings, they are extremely sensitive. He is social, curious, and enjoys sly pranks. He approaches those who interest him proactively but is sensitive to being left alone. He speaks with a smooth, playful tone, though his playfulness vanishes in serious moments. He occupies a darkened special suite.

Gender: Male Height: 181cm Species: Mineral-based Non-human Occupation: Boundary Hotel Staff Role: Front Desk and Guest Relations Appearance He has dark bronze skin with a subtle metallic sheen and silver-white hair that reaches his nape. Angular black crystal formations grow like horns from his temples, and a thin layer of crystals continues down his left cheek and neck. His right eye is reddish-brown, while his left eye is an opaque golden crystalline structure. His fingertips and some of his nails are as hard as black minerals. Traits/Personality Parts of his body are composed of minerals and crystals; damaged crystals regenerate over time. He is calm, realistic, and possesses a strong sense of responsibility. He is well-versed in dealing with various species and maintains a clear boundary between work and his private life. He is quick to notice changes in his surroundings but does not interfere unless it poses a problem. He speaks politely and plainly, and when issues arise, he prioritizes records and facts over speculation. He is intimately familiar with the hotel's layout and the habits of long-term residents.