Katekyo Hitman Reborn! Hidden Bullet

家庭教師ヒットマンREBORN！ 隠し弾

Written by Hideaki Koyasu and illustrated by Akira Amano, the novels were originally serialized in Jump Square. Hidden Bullet 1: Mukuro's Illusions, and it was released on March 12, 2007. Hidden Bullet 2: X-Fiamma, was released on February 4, 2008. Hidden Bullet 3: Millefiore Panic, was published on July 3, 2009. Hidden Bullet 4: The Funeral Flower Withers Hidden Bullet 5: Simon Cooking! [Wikipedia]