Exclusive mangas/I

In

 * Inconvenient Daily Life of the Super Sonico: From Super Sonico franchise. Living in Musashino, Sonico's many roles include college student, vocals and guitar in a 3-piece girl band, and gravure model. And now she gains a new title. This is the extraordinary tale of a girl who becomes a few sizes bigger than before.

Ir

 * Irresistible Heart & Indomitable Heart: This story made by Soryuu features a 12 years old girl (2.7 m, 154 kg) named Oiya Kokoro (amazoness) and her friend less than half her height. Later chapters show she broke the record of tallest person in the world when she was in the sixth grade,  and currently is a mini-giantess at 3.05 m tall and 218kg in mass.