[1] School Days - Wikipedia (4/23/2010, 11:57:08 PM 版) <http://ja.wikipedia.org/wiki/School_Days>
[2] 無題ドキュメント (5/16/2005, 12:19:31 AM 版) <http://www.za.ztv.ne.jp/eb92bdym/kouryaku/school/tyato>
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