Shine of a New Miracle: Flames of a Rising Sun Storm

In the final act of Ichigo and Yhwach's last battle, both beings have killed one another, resulting a drastic outcome. Yhwach's energy had still spread enough for all the worlds to merge into one. Before Ichigo's final moments, he wished for another chance to protect those around him. And his wish had been granted when he has been reincarnated in the Dragon Ball universe