(Y/N) Miyahira is a chubby girl who is friends with Kuroo Tetsuro and Kenma Kozume, she was transported in the world when she was still a baby and is living in her foster parents who found her on their doorstep. She didn't knew until her foster parents told her in her 15th birthday, she was going back to her own world on December 31st in the year of 2012. She fell in love with her best friend and her best friend named Kuroo did too but they won't confess to each other because they are scared of their relationship being ruined.