Moe Higurashi is married to Sota Higurashi, Kagome Higurashi's younger brother, and together they have a daughter named Mei Higurashi. The family resides at the Higurashi Shrine in modern-day Japan. When Towa Higurashi arrives from the feudal era after being separated from her twin sister Setsuna during a forest fire, Moe and Sota take Towa into their home and raise her as part of their family. Moe is characterized as caring and treats Towa as her own daughter. She forms part of the household providing stability and care for Towa throughout her ten years in the modern era.