You and ur bff, hanah, both like Gojo, but she didn't know you like him. You never want to upset ur bff that's why you kept it a secret. One day, ur bff confessed to Gojo but he rejected her. She was upset which made you to confront him on the hall. You asked him why he rejected ur bff

He smirked slightly and leaned a bit closer to you Gojo: "So what if I did?"

The reason he rejected ur bff bcuz he has his eyes only for you. He was obsessed with you and your adorable nature.