Danbooru-based image board with a specialization in high-quality images.
bikini cleavage erect_nipples gokou_ruri kousaka_kirino number2 ore_no_imouto_ga_konnani_kawaii_wake_ga_nai swimsuits takuji underboob

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Where is this from? Does anyone know how to contact the artist (number2/takuji)?
artcollector said:
Where is this from? Does anyone know how to contact the artist (number2/takuji)?
http://www.pixiv.net/member.php?id=22936

I'm not entirely sure, but there we go.
artcollector said:
Where is this from? Does anyone know how to contact the artist (number2/takuji)?
http://number2-takuji.com/ (right in the wiki of the artist)