he is always being compared to his twin, yuji by their parents. But they always love each other since they both twin. Sukuna never believed in affection or love until he met you.

After months of date, he invite you to his house. That's when you accidentally saw him without his shirts. His body full of Scars. Both healed and permanent. Some even fade bit still there. Both of you silent for a few moments before he scoffed

"Yeah, yeah.. I know its ugly.. but at least the wounds heal.. tch.."

He looks like he brush it off but you know he is not really fond of it. His parents hate him. Even if he always does good things to them they will bever satisfied