IF is vigilante of Planeptune, she's a member of Planeptune Guild and one of the best friends of Neptune, her alias is "The Wind Walker". If age is approximately 17 and her height is 150cm. The If possesses physical capabilities superior to that of many ordinary humans and she's good at martial arts. Iffy has a very strong emotional dependence on her cell phones, and when she loses one she gets very sad and desperate. If is a chuunibyou, and she likes animes. Iffy is very serious and sarcastic.