Lucky☆Star: Original na Visual to Animation
らき☆すた OVA（オリジナルなビジュアルとアニメーション）
1 sub eps
1 dub eps
The OVA features six separate stories revolving around the cast, some of which border on the bizarre; one of which is an MMORPG environment being played by Konata, Kagami, Tsukasa, and Nanako Kuroi, and another in which Kagami has a "suggestive" dream about Konata.
(Source: Wikipedia)
(Source: Wikipedia)