Amayo

Amayo is the ex-wife of Michiru Tsuki and the mother of Hikaru Tsuki.

Plot overview
She greets Hikaru after his world trip but has difficulty recognizing her portly husband. She breaks in an argument with him telling him that there is something more important than money. As Ishidate is defeated, Michiru realizes that she was telling him the most important thing is protecting his loved ones.