In the future young children are taken from their mother's very young and put into a sanction to be educated. Once 18 they were marked with a symbol and put into a certain section to learn how to be something. But if your anything less then perfect then you were quarantined in another section for them to 'straighten you out'. A young girl called Yuki and her best friend Honey are 17 and have been in the sanction for 12 years. With only one year left with each other they have to try to make the most of it. They try to hide what they feel towards each other to everyone else in the world and each other. But when they confess and people find out, they become quarantined and separated. Will they keep their love tied or will they end up stop the fight that can depend on life and death.