Satomi's mother and a lead AI specialist at Hoshima. Initially tasked with monitoring Shion's test, she discovers the AI's genuine emotional growth and defects from the company to help save Shion.
A professional oversight relationship where Mitsuko initially monitors Shion's integration test.
A close but strained familial bond shaped by Satomi's isolation and Mitsuko's corporate duties.
Explore the full interactive character relationship map of Sing a Bit of Harmony