あらすじ
"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".
あらすじはAniListより（英語）。
マンガ
Menhera Shoujo Kurumi-chan.
ComedySlice of Life