Higurashi no Naku Koro ni Kaku: Outbreak

ひぐらしのなく頃に拡〜アウトブレイク〜

The story is set in the same Hinamizawa village of the previous stories. The village has been completely sealed off due to a mysterious virus in 1983, and Maebara Keiichi and Ryuuguu Rena deal with the outbreak. (Source: Anime News Network)