Delivery Room (Novel)

Miyako Mamamiya receives a letter of invitation. In it is written: 500,000 yen participation fee, You will be given the unprecedented chance to secure a safe and happy childbirth, along with a bright future for your beloved child, You are required to enter the delivery room. Full of uncertainty about the absurd proposal, Miyako decides to accept the invitation. Five pregnant women, each with their own unique circumstances, gather together. What will happen from here? And who will the goddess of safe childbirth smile upon?!