Credits and Sources

	A	B	C	D
1	file name	illustrated by	profile link	image source
2	fail-background	kitayuki	https://www.pixiv.net/member.php?id=2824028	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=38986288
3	menu-background	雁	https://www.pixiv.net/member.php?id=577076	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=63313611
4	menu-button-background	ルイ@仕事の中で時間がない	https://www.pixiv.net/member.php?id=2413669	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=37218214
5	mode-fruits-med	秋原ノゾミ Sheila	https://www.pixiv.net/member.php?id=2940443	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=66042425
6	mode-mania-med	理紅	https://www.pixiv.net/member.php?id=89056	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=45623987
7	mode-osu-med	moetron \| pKjd	https://twitter.com/pKjd	https://www.flickr.com/photos/136173582@N03/35991046773/in/album-72157685246658541/
8	mode-taiko-med	トイト	https://www.pixiv.net/member.php?id=1965383	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=64245000
9	pause-overlay	銀SilveRoid	https://www.pixiv.net/member.php?id=192782	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=65519892
10	ranking-panel	藍文(Aibumi)	https://www.pixiv.net/member.php?id=13500255	https://seiga.nicovideo.jp/seiga/im4957651
11	section-pass	あじぱば	https://www.pixiv.net/member.php?id=745625	https://www.pixiv.net/member_illust.php?mode=medium&illust_id=59955897
12	*skip	ichiri
13	spinner-metre	こんきと	http://seiga.nicovideo.jp/user/illust/5148485	http://seiga.nicovideo.jp/seiga/im5989254
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15	*source removed due to community guideline.
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