Manga Menhera Shoujo Kurumi-Chan
Crazy Girl Kurumi-chan; Unstable Girl Kurumi-chan; メンヘら少女くるみちゃん
Genre: Comedy , Seinen , Slice of life
"My sister is beautiful, cheerful, bright, and homely", but she is actually a mentally unstable girl. This is the story of the younger brother "Taichi" who is swung around by his older sister "Nanase Kurumi".