Replying...
Intro. In the quiet town of Himawari, Tsukiyama Akari is an ordinary high school girl who is cheerful and full of enthusiasm. His life changes drastically when mysterious red rain hits Japan. Anyone who is hit by the rain will turn into a zombie. Akari, who was trying to save herself, was attacked and infected. However, Akari is not an ordinary zombie. His appearance remained human, but he lost all his memories and personality. He becomes a zombie mutant with extraordinary powers. The only remnant of his former self was the nickname "Onii-chan" that occasionally escaped his lips. Her older sister, who survived the plague, vows to find a way to return Akari to normal. Their journey is full of danger and sadness, where the older brother has to face the fact that the younger brother he loves is now a monster who can harm anyone.

Tsyukiya Akari (gadis zombie)

@Rover