100-nichigo ni Otto wo Suteru Tsuma no Hanashi

Yuuka is a full-time housewife enduring emotional abuse from her husband, who also appears to be having an affair. His new girlfriend, a modern woman, unknowingly shares hints of the relationship online. Despite believing Yuuka to be naive, she is actually from the same generation as his girlfriend and is tech-savvy. Yuuka is determined not to simply leave her husband without planning but instead to seek revenge and secure financial support for herself and their daughter.