The Tenth Generation's Book of Friends

He finally accepted his fate as the tenth generation leader of Vongola and persisted under the clutches of Reborn for so many years... ... Why did you suddenly come to another world? [Non-serious copywriting, although the one above is not serious either] My name is Sawada Tsunayoshi. I am an ordinary unfortunate loser who was forced to inherit the position of leader of the Italian Mafia family at the age of 14. But one day I inexplicably traveled through time and my body shrank. Although his body has become smaller, his soul remains the same. He is a super high school level unfortunate (crossed out) Vongola Judaiime with more than 20 years of complaining experience. No matter what happens, just complain, right? *The protagonist is still in junior high school 270 *I stream 270, the kind of person who can complain in my heart, the tutor is set to be a few years after the end of the Rainbow Proxy War in the original plot *This article's CP, other worlds, etc. Are all random, the essence is all27 Purpose: To generate electricity for love