Kenzaki Motoharu (Okura Tadayoshi) works at a bank and has been married for 5 years and has two children. During the day, he was lectured by his boss at work to improve his performance, which made him exhausted. When he returned home, he was scolded by his wife Kenzaki Mio (Hirose Alice), and he lived a shameful life every day. One day, when he reunited with his college junior, Egawa Sayaka (Takimoto Miori), who was called a goddess back then, he learned that she had liked him back then. Just when he regretted it, he suddenly traveled back to his student days because he accepted a 500-yuan coin from a stranger on the road. By making different choices, he got his ideal life.