The things you do for friendship. Kirino (or her brother.....) better appreciate this.

Artist comments:
お兄様の壁紙
二話の黒猫放置プレイの勢いに乗じて。というか今もう4話目放送済みなんだよね。かなり置いてかれている感があるなーｗまぁ自分のペースでゆっくり見るよ！

Seems this is Kyousuke's phone, hence the reaction in the parent image.

gladwort said:
Seems this is Kyousuke's phone, hence the reaction in the parent image.

In that case I amend my statement, this must be the price Ayase paid for Kyosuke's advice in gift ideas for Kirino.