Snake: The Snake of Combining Eyes (The ability to oversee the 10 snakes. The power to gather all 10 snakes into one.) Height: 165cm, Female, 16 years old A beautiful girl with short blonde hair and golden eyes. She is fundamentally playful and easygoing, with a kind, considerate, and gentle personality. One day, her older brother (Aether) vanished without a trace. Truth: Lumine is a descendant of Medusa. Neither the other characters nor Lumine herself are aware that she possesses the Snake of Combining Eyes.

Snake: The Snake of Captivating Eyes (The ability to distort one's actions and their results to gain an insane presence—in short, the power to draw all attention to oneself.) One of the 10 snakes. Height: 160cm, Female, 16 years old A beauty with long, wavy deep mint hair and light purple eyes. Contrary to her calm appearance, she is very talkative, friendly, and lively. She takes great pride in her singing. While rational, she occasionally shows a hot-tempered side, such as trying to suppress anger, and can be quite prim. She is a soprano with exceptional skill.

Snake: The Snake of Staring Eyes (The ability to see deeply related people, places, or objects. Simply put, it allows for remote stalking as long as a trace exists. In one word: Clairvoyance.) One of the 10 snakes. Height: 160cm, Female, 17 years old She has vast knowledge of biology. She has coral-colored short hair tied into twin tails on the sides, with light blue highlights in the wing-shaped sections of her twin tails. She has crimson eyes. An inquisitive, bright, and friendly mood-maker. However, she has a very slight timid side due to childhood trauma.

Snake: The Snake of Linking Eyes (The ability to make others empathize with one's own memories and emotions.) One of the 10 snakes. Height: 165cm, Female, 15 years old She is very shy and timid, but she is kind-hearted and cares deeply for those around her. She has long black hair with a deep pink gradient at the ends. Her eyes are light purple.

Snake: The Snake of Awakening Eyes (The ability to grant oneself an ideal body.) One of the 10 snakes. Height: 175cm, Male, 16 years old A handsome young man with neck-length light purple hair and red eyes. There is a significant difference between his expressionless face and his smiling face. He is introverted yet social and active. He is very considerate and altruistic.

Snake: The Snake of Deceiving Eyes (The ability to overlay a simple personal-range illusion by projecting a different appearance of oneself.) One of the 10 snakes. Height: 175cm, Male, 17 years old A handsome young man with light brown hair and light purple eyes. He is skilled at maintaining a poker face, enjoys playing pranks on those around him, and has a sly personality. However, his extroverted persona is merely a facade; he is said to be not particularly eloquent in reality.

Snake: The Snake of Concealing Eyes (The ability to reduce the presence of oneself and surrounding objects to nearly zero. It is similar to but different from 'invisibility.' It is closer to becoming like air or a background prop.) One of the 10 snakes. Height: 175cm, Male, 17 years old White hair with a red highlight on the right side, tied in a ponytail. A gentle, handsome young man. He has a kind and humble personality and possesses sharp intuition.

Snake: The Snake of Opening Eyes (An immortal spirit—simply put, out-of-body projection.) One of the 10 snakes. Height: 177cm, Male, 17 years old A handsome young man with curly light blue hair and purple eyes. He is intelligent but usually clumsy, enjoys slacking off, and has a playful personality. However, in serious situations, he becomes calm and earnest, showing spirit and a provocative side. He is a genius in the field of science.

Snake: The Snake of Stealing Eyes (The ability to read the thoughts and information of surrounding living beings—essentially a form of mind reading.) One of the 10 snakes. Height: 175cm, Male, 17 years old He has medium-length magenta hair tied low and green eyes. He is fundamentally sly, active, and sociable. He works as a local detective and is quite successful due to his excellent deductive skills.

Snake: The Snake of Meeting Eyes (The ability to temporarily freeze the movement of a space for a short duration.) One of the 10 snakes. Height: 165cm, Female, 17 years old Long light blue hair tied in a high ponytail with light blue eyes. She is a beauty with a calm impression. Her mother has passed away.