まるです。

構ってほしい時に構ってもらえなくて　”拗ねまる” 状態に。
When he wanted to play, I was not able to play together.
Therefore he turns his back and sulks.

「何してんの？」と声をかけたとたんこの開き。
“Hey Maru! What are you doing?”
He opened both his mind and body as soon as I talked to him.