Nijimi-san is an ordinary high school girl, except her hair changes color based on her mood. Her classmate has cataloged most of her color changes, but there’s one color which is still a mystery to him…___[Alt Official Raw](https://twitter.com/search?q=from%3A%40Araragi_Nana_23%20%E3%82%AB%E3%83%A9%E3%83%BC%E3%83%81%E3%82%A7%E3%83%B3%E3%82%B8&src=typed_query&f=live)