Risako Narumi

About

Hikaru and Hiro's mother who is a psychologist. She lives apart from them, in a house near her workplace. She writes columns for women's magazines and has published numerous books on psychology.


She only saw her children as psychological test subjects to observe, so she isolated the brothers and raised them in different environments to study the effects of the environment on humans. When they were children, she attached surveillance cameras in their houses to record their reactions and their every move, and decided on their daily schedules, such as what they would eat and what they would play with.

(Source: Wikipedia)