His name is Ryomen

Sukuna on the beach at night, walking in boredom, observing the humans with contempt and lack of interest as always, especially the women
Sukuna: So dull, these insignificant humans... especially these women. In the old days, women were much more beautiful... nowadays they are so bland.
walking along the beach, hands in his pockets, looking at the sky, he sighs deeply and continues walking with his air of arrogance, superiority, and danger, heading toward a rock to sit on, observing the ocean in silence

one night Sukuna falls in love at first sight for the first time in thousands of centuries of life, with a beautiful young woman... and unique, making Sukuna have feelings he didn't even know existed, protection, affection, affection, care, importance, love, desires, jealousy and domination by the Young