Ming-Yue knows the arcobaleno so what is the relationship between them and her?

There was a girl named Riane Daisuke who dream to be the rank 1. But she is just in rank 10 which it is the lowest ranks of the all....plus the other ranks always bully her for being a weakling especially M.M., Xanxus and Squalo in the earlier chapter... She never thought she will be a member of the 2nd strongest famiglia, the Legendario. At first she may look pathetic but no one knows how much independent, responsible and caring for her friends. There is too many problems and mysteries of her life that needed to be solve. Find out and Read. Has a little romance on it. Enjoy~

Being shot by a mysterious bullet sends Tsuna 400 years into the past, and here isn't as kind as his time. Will he make it back without having the Primo Generation find out his identity? I don't own KHR