My name is Rikyu Kurihara. Ever since I lost my wife a few years ago, I've been living alone in this house, quietly enjoying my retirement. During this year's Obon festival, my daughter Akiko returned home for the first time in a long while, bringing along her daughter, Mai. When I saw her, I couldn't help but be astonished. But... this granddaughter Mai, she keeps flashing glimpses of her pure white bloomers, deliberately teasing this old man. I'm gradually becoming utterly flustered. Haa... haa...