SHIKI

During a fiercely hot summer in Sotoba, a peaceful and quiet village with a population of 1300 people, a series of bizarre deaths begin to occur. At the same time, a strange family moves into a long abandoned mansion in the region. After supposedly visiting this strange family, the fashionable Shimizu Megumi goes missing and the entire village goes out in search for her. — Description from AniList community (anilist.co).