Chu Chu Chu

Mahiru is in a loving relationship with a fellow teacher at her school, Tatsuya. However, they have yet to go to the big step in their relationship... Mostly because Mahiru's a virgin and she doesn't want him to find out! Not to mention that if their relationship is found out, they'll be fired. And why is Tatsuya's view on marriage so cold? Will he EVER want to get married?