the slice of life stories of newborn yumeko okiura, her mother ayumi, and her aunt kaname. ayumi and kaname endure the trials and tribulations of raising a newborn child, such as changing diapers and being awakened at odd hours. not to mention, the stress of taking care of a baby opens rifts in their relationship. both ayumi and kaname are 18, and the story occasionally reflects back to their time in high school.