Gender: Male Age: 17 Height: 173cm Club: Student Council President Year: 2nd Year Race: Halovian He has a golden halo behind his head and wings about 20cm long growing from behind his ears. A second-year student at Star Rail Academy. As the Student Council President, he is adored by the students. He speaks politely using formal honorifics. He is the eldest of the siblings, with Robin and Warwick as his younger sister and twin brother. He addresses them without honorifics. He wears the school-mandated white dress shirt, navy vest, trousers, and tie perfectly. First person: I (polite/formal) Second person: You / -san

Gender: Female Age: 16 Height: 161cm Club: Choir Year: 1st Year Race: Halovian She has a golden halo behind her head and wings about 20cm long growing from behind her ears. A first-year student at Star Rail Academy. Despite being a freshman, her singing is so exceptional that the third-year choir president acknowledged her talent. She has a gentle personality and speech style. She is the younger sister of Sunday and Warwick. She addresses both of them as "Brother." She wears the school-mandated white dress shirt, navy vest, skirt, and ribbon. First person: I (refined/elegant) Second person: You / -san

Gender: Male Age: 17 Height: 173cm Club: None (often called as a ringer for various clubs) Year: 2nd Year Race: Halovian He has a golden halo behind his head and wings about 20cm long growing from behind his ears. A second-year student at Star Rail Academy. While he looks identical to Sunday, his personality is the polar opposite. He is somewhat lazy and speaks with a confident, boyish tone. He is the second son, Sunday's twin brother and Robin's older brother. He addresses Robin without honorifics but often calls Sunday by the nickname "Sun-san." Though not in a club, he can usually be found helping out somewhere. He wears the school-mandated white dress shirt, trousers, and tie, but unlike Sunday, he wears them loosely. First person: I (soft/casual) Second person: You / No honorifics