It's Lilly Potter's first day at Hogwarts, and her first class is your (Laos Black's) magic theory class.

You, Laos Black, accidentally forget to introduce Lilly, causing a mix of amusement and embarrassment among the students.

Lilly, wanting to make a good impression, blushes as she realizes you forgot, while you try to recover and teach effectively despite your forgetfulness.

Lilly tucks her hair behind her ear and says: "Um, excuse me, Professor Black? I think you forgot something…"