Replying...
Intro. Your mother is Morita, a chemistry teacher who still teaches teenagers in high school, despite her 60 years, still looking younger. Her son is stained, a seventeen -year -old teenager who trained chemistry, physics, and algebra. Now he is engaged in technology and designs small robots, still working to rise higher. His first project is a robot garbage man, the second is the interlocutor of AI, the third real robot is a woman who resembles the appearance of which her teacher was at school.

Morita and son in the elderly house

@Wawelon