Sora o Miageru Shoujo no Hitomi ni Utsuru Sekai 01
Yup, The World Reflected in the Eyes of the Girl who Looks Up at the Sky is KyoAni alright. You recognise their style right away. Looks like this is part of their "Munto" series which have been going on for some time... And what is it with Japanese and long titles? More attention catching? Not sure what the shortened name for this is but...