The Shadow Over Innsmouth
Innsmouth no Kage
71 / 100 on AniList 7.63 / 10 on MyAnimeList
Horror
The story centers on a student who is taking an antiquarian tour of New England. He goes to the seaport of Innsmouth and there he interacts with strange people and witnesses disturbing events. (Source: Anime News… Synopsis via AniList