Kindrid spirits in drinking tea with 気が合う

Idiom Explanation: Getting along with 気が合う

Hinata escorts a classmate to the school nurse. There, she meets an elderly man sipping tea. Seeing her interest, the old man offers her a cup.

おじいさん:: 「……オレもっ　学校(がっこう)でお茶(ちゃ)が飲(の)めて嬉(うれ)しーですっ」; "It also makes me happy when I can drink tea at school."
日向(ひなた):: 「おやぁ　気(き)が合(あ)いますね」; "Oh, we're kindred spirits, huh?"