Rizel was developed as a secret government project. She has stopped growing so she has the body of a 12 year old and has a happy-go-lucky personality. She started living with Iwaki and everytime she cries she destroys a part of the house, Because her tears are bombs. She is considered cute and friendly by many of her classmates. She chose Iwaki as her husband and needs his love to be able to continue her growth. She is often chased by Hojoin Ryunosuke, for her innocence and her cute panties. (Source: Wikipedia)