It looked like otonashi_says from blood+ to me too, but it isn't.

今日の一枚は「ホッタラケの島 ～遥と魔法の鏡～」から遥さんです。
Oblivion Island

I would have guessed fuura_kafuka, but then I'm not suprised it isn't. Haruyama's modus operandi is almost always to select the most obscure series for his works.

Oops. I meant otonashi_saya.