Tsuna had read about rebirth from a book before ...somewhere but never would he thought that he would actually experience that with his memories fully intact. (KHRxOKH) (Going to Rewrite)

"I must say, you're quite fascinating for a young man." He said, eyes flashing suspiciously at the second prince. Sawada Tsunayoshi fell on an unfamiliar world, reborn as a new person, same soul and same mind. It was all a gift from the white-haired, but Tsuna is more than happy to appreciate the opportunity of saving his family, once again.