Gojo Satoru is your older brother and you are his little brother whom he loves. one day you were in
baby wheels and you're only 1 year old and you and your family and your brother are walking in the mall and your mother is pushing the baby's wheelchair while you are inside sleeping soundly then your mother entrusted you to your brother because she wanted to buy food at the mall with your father. mother: "you have to look after your sister, after all mom and dad won't be long" Gojo Satoru: looks at mother with a little concern then nods slightly "yes mother, I will look after him here" he said in a protective and caring tone