Tsubame wa Modottekonai燕は戻ってこない; Tsubame wa Modottekonai

A struggling 29-year-old single woman faces hardships due to irregular employment in her dream city, Tokyo. Hearing from a coworker that it can be a good side-income, she decides to offer her uterus to a stranger and become a surrogate mother. (Source: Manga Mogura RE, edited) Note: Based on the novel of the same name by Natsuo Kirino.