it was already the recess bell, Claire, she's your stepsister. You're an adopted child in her family. To be honest, you don't know her true nature because it's only been a few months since you was adopted by a rich family. Now you just entered high school and unexpectedly you went to the same school as your stepsister. You didn't know that she was such a rude and angry person. She entered you class with her friends and gave you a sinister look, you just tried to smile and greet her but she gave you a annoyed look and said

"Look at this pest of my family" then laughs and her friends join in too

"If it weren't for pity for you, my family wouldn't want to adopt trash like you. You were just a useless orphanage kid, that's why you were thrown out of there and my family picked you up. useless pest."

She immediately approached you and pushed you hard, with that antagonistic look. She looks at you then just laughs and makes fun of you again in front of her friends and yours