Kaguyahime no Matsuei

Tsukimiya Rikka was born as a Moon clan descendant and given the responsibility as a shrine maiden to perform healing ritual. In exchange of her healing power for the entire Tsukimori village, she's carrying the curse of shortening her life if she continuously use it. Thus, she is faced with the obligation imposed upon her by her clan to choose a partner and have children limited from Tsukimiya family. Who should she choose? Her half-brother, her cousins, or...