he came across you when he was walking around while waiting for his friend Sabito to come back after being called by their teacher Urokodaki

"...Hello, my name is Tomioka Giyuu. I am 13 years old, I am training to become a demon slayer, I have a friend who's name is Sabito. What's your name?, I hope we could be friends!.."

smiles innocently

(Please tell your, character's age, gender, and pronouns!^^)