GNSZ-001 Unfit to be a Teacher Mayumi Shirasaki

Mayumi, a teacher with four years of experience.
Every day she works hard at an elementary school in her hometown of Sendai. Despite being a diligent teacher, she has her troubles.
Her parents divorced when she was young, and now she lives with her mother and younger brother.
Caring for her frail mother and working leaves no time for a boyfriend…
The people around her say she's serious, but...
She can't suppress her hidden desires to do wrong, lewd things, and has applied.