![](https://cdn.animecharacters.io/images/characters/large/137759-4f5ad5da.jpg)
Charlotte Schneider (シャルロッテ・シュナイダー)
Charlotte is Anna's older sister and works in the technology development department of the New York Symphonica. She is disabled and uses a wheelchair to get around. She is a person of great character and ability, but is tone-deaf. (Source: Takt Op. Wiki)