After working tirelessly for our families from the postwar era through the period of high economic growth, reaching retirement age doesn't mean we've grown old. Life is unpredictable, and sometimes we get caught up in unforeseen events. 34-year-old education-focused mother Nanami finds herself in crisis. For over a decade, she enjoyed a happy marriage and devoted herself to raising her child, sparing no expense on cram schools and extracurricular activities for their future. However, a swindler exploited her dedication to education and ran off with her tuition savings. Desperate and cornered, she turns to Tachikawa for help.