Matsui Kana, an ex-delinquent, is expelled from her school and aims to change at her new school. Everything goes very well, if the certain head prefect isn't in the picture. 18OC. Ch 4.

"I don't remember choosing a British as my successor." Tsuna cannot understand why his ancestor and the guardians appear out of nowhere in the middle of his history exam. Surely, having people from 400 years ago will help . . . right? Crackfic. ONESHOT.