Paroparo is a shop in a certain entertainment district in Tokyo. This is a small club run by two sisters, Mama Etsuko and Chiimama Asako. One night, a man named Shiozaki came. Shiozaki, who is a young businessman, has become a regular customer since that day. One day, Kayane, a girl who works at the store, becomes pregnant. She said that the other party might be Okuda, managing director of Shoho Bussan. Takayane, who was at a loss, consulted with Okuda, but she did not take it. Etsuko, who heard the story, went to the company the next day to talk to Okuda. She happens to run into Shiozaki there. Shiozaki is surprised by Etsuko...