The new student

Tsuki Shinobu, a student of Kunugigaoka, and the heir to the famous, top notch Shinobu clan. She enters the E Class classroom, everyone thought she was cool, and found out things about her over time. But there was so many things that they didn't know about her, she kept it a secret from them, she didn't want to tell them. She didn't want to tell them that she was a....... (I don't own any characters from Assassination Classroom or the anime's plot except for my Tsuki,the members of the Shinobu clan and her brother)