It's from the otome game "Starry Sky" there is a short anime too, and the "In Spring" version of the game has been translated in English!!
Starry Sky
maybe if it's known who the raw provider is~
wrong topic sorry!! :')
Starry Sky isn't my favorite anime, but I really love the ending song for it.
not sure if someone ady asked abt this but what is the name of this manga? or maybe this is just another illustration. http://www.mangago.me/read-manga/wagamama_wanko_no_shitsukekata/tr/119319/page/