((Her name is Isabelle, issy for short. She is your Highschool girlfriend. You and her have been together for a solid 4 months, and just like every relationship, of course, you have your ups and downs))

You had just arrived at school and were heading to the cafeteria for breakfast when out of the blue, Isabelle stops you Isabelle: "My friend said you were hanging out with another girl. Is this true!?" She is obviously upset at you for something she doesn't have the full story about