awyeahosomatsu: Osomatsu shimeji program is by: www.pixiv.net/member_illust.php?illust_id=538

awyeahosomatsu:

Osomatsu shimeji program is by: http://www.pixiv.net/member_illust.php?illust_id=53802885&mode=medium

Each brother has unique multiplication animations and all very cute.