Kisaku Spirit
English title: Kisaku Spirit: The Letch Lives
Japanese title: 鬼作 ～魂～
Type: OVA
Source: Visual novel
Episodes: 3
Status: Finished Airing
Aired: May 28, 2004 to Jul 22, 2005
Duration: 28 min per ep
Rating: Rx - Hentai
Studios: Himajin Planning
Producers: Pink Pineapple
Genres: Hentai

After Kisaku died, he had a strong desire that his spirit was still wandering around. Yuri noticed a guy who resembled Kisaku, but he was actully a hard worker named Kusaki, who had a good nature and was far different from Kisaku. When they first met, Kisaku's spirit appeared and started to haunt Kusaki. Eventually Kisaku took over Kusaki. 

(Source: AnimeNfo)