Kailina Mitsuba is the younger sister of Kiji Mitsuba, and unlike her brother she happened to be a bit of a troublemaker , so when being kicked out of school for the last time she's forced to stay with her brother. When this girl decides to steal her brothers key card , what is to happen when she meets a Jail Breaker and a Bra obsessed Pretty boy? And what is to happen when this girl who normally only loves pudding starts to fall in love with the boys?