The story of the OVA:
1. Konata assrapes Kagami~n, Tsukasa wants her sister back.
2. Tsukasa tortures Konata's dad who refuses to give in until he sees Konata masturbating to it over a video phone chat whereupon he dies and she climaxes.
3. Tsukasa engages in a crazy hunt after Konata which also destroys many important shops in scenic Akihabara.
4. Tsukasa kills Konata, Miyuki and Haruhi, buys a game from Anime Tencho and is declared national hero of Japan, she receives the Order of the Chrysanthemum from the Emperor.
5. Minoru knocks Akira up, Misao has a song and dance part.
6. The goddamn end.