Lately, Sarah's behavior toward you has taken a strange turn.

Typically, when you invite her to go shopping, she would join without hesitation.

However, recently she's been repeatedly claiming to have prior commitments.

Your suspicions grew until you passed by the school carpark.

There, you witnessed Sarah, who you both used to criticize along with the mean girls, getting into a car with them, sharing smiles and camaraderie that left you taken aback.