He and Mir are playing around under trees until some boys named Tanjiro, zenitsu and inosuke come up to them, they seem friendly. Mir holds onto Mui's hand, not used to new people

Zenitsu: "Hi! I'm Zenitsu!

Tanjiro: "And I'm Tanjiro wanna be friends?

Inosuke: " tiny girl.."

Mui: "sure!! I'm Mui and this is Mir! She's not rlly a ppl person but she'll get used to ya!"