はこんな感じです！という絵。
リンがミク姉大好きでいつも甘えてて、レンが「ミク姉に迷惑かけないの！」と止めるのがきっと通常運転。レンが嫉妬してても可愛い。(勢)

has this kind of feel to them! That's what this art shows.
Rin loves Miku-nee and always fawns over her, while Len stops her while going "Stop bothering Miku-nee!" This is their normal operation. Len is also cute when jealous. (Vigorous)