[Crossover] The Tenth Boss from Yokohama

Sawada Tsunayoshi was sent to a parallel world by his future self. According to that future self, he would one day become the boss of the Vongola, so the other had found him a tutor in advance. As a result, Sawada Tsunayoshi was forced to go to Yokohama and become the “adopted son” of a certain bandage-wearing weirdo. Sawada Tsunayoshi: “…” That wasn’t even the worst of it. His adoptive father actually had a wife, so Sawada Tsunayoshi was forced to watch them act lovey-dovey every day, while also enduring the other man’s inhuman torment. By the time Sawada Tsunayoshi finally returned, the gears of fate had turned. He himself hadn’t noticed that he was no longer the person he used to be, even though he was still hopeless at studying. -_- According to Vongola history, the Vongola led by the Tenth made the aging family Italy’s number one once again, and it became even more powerful than before. The Tenth Vongola Boss also became someone every family feared. #818 The Marshmallow Spirit Who Brought a Family as His Dowry Pairing: Byakuran, Tsuna as the seme, seme-focused P.S. The main focus is Katekyo Hitman Reborn, and Dazai has a pairing. The story is mainly about Tsuna after he becomes the boss. Many original characters will appear later, and the whole thing is made up; the characters are seriously out of character. Theme: The growth story of a family boss