Mama Chi is the mother of Tomoya/Sam and his little sister Soya. Mama Chi isn't on the best terms with Sam, Due to him killing her abusive husband/ His father that she loved dearly an denied him of being a horrible father to her an there children, Even thought he'd beat  them everyday. Mama Chi keeps in contact with Tomoya but refuses to have an kind of communication with Sam.

Role: Supporting

Ethnicity: Asian

Age: She's in her late 50's 

Voice Range: Older Adult Mature Tone.