 Also, in the series' character book, "Vongola77", there is a short story of how Mukuro uses his spiritual powers to control the body of a small boy in Japan in order to once again try to take over Tsuna's body despite being imprisoned in Italy.After failing and realizing that he is incapable of residing in his host body for a long amount of time due to their unstable "connection", he thought of later taking Chrome's body instead.On November 7, 2007, Pony Canyon released a character CD entitled "Sakura addiction", which features both Mukuro and Hibari.