Gaki Ni Modotte Yarinahoshi Extra Quality ~repack~ Official

He was back in the fourth grade. But this time, the world looked different. The edges of the classroom were sharper; the sunlight hitting the chalkboard felt vibrant, almost cinematic. It was as if his life had been upgraded to a "remastered" edition. The New Strategy

In this context, it roughly translates to "Going back to being a brat and doing it over (Extra Quality)." It usually refers to a high-fidelity version of a "de-aging" or "second chance" story. gaki ni modotte yarinahoshi extra quality