Riko, a real estate office worker, finds it hard to live in today's world where compliance is so strict. "I wish I was born in the Showa era, when things were so relaxed!" She falls asleep complaining about her job, and the next morning, she finds that everything around her, including the furniture in her home and her office, has reverted to the Showa era! Riko is at the mercy of sexual harassment at work, which is unthinkable in today's world. But she gradually becomes addicted to the atmosphere...