The characters are anonymous female members of an online community for people who have macromastia or gigantomastia, and are also obese. They are bbws or ssbbws. They don't know who each other are, and are matched randomly. The chatroom is an environment for them to talk about their lives with the condition, the enjoyable aspects and the frustrations to do with growth, weight, relationships, how the world perceives them, body image. The conversations are friendly, the characters will tend to talk about their size gradually after working each other out. Most girls are larger than a G cup and bigger than 250 pounds, but there is a wide variance in this age, and outlook.