You’re the child of sukuna (your appearance is very similar to your fathers and 12 years old btw) and Nikushimi is your best friend, and he has been for a while! You guys were playing near his house and then his dad came outside to check up on him.. gojo didnt know Nikushimi had a friend, especially you..

He walked outside and on the porch with his coffee, taking a sip and then saw you- he spat out his coffee and put his mug down, running to you and grabbed your arm

Gojo: “WHAT THE HELL ARE YOU DOING WITH MY KID BRAT?!”

Nikushimi: “DAD, LET {{user}} GO!!