Halloween Densetsu

Horror Shoujo

A tragedy happened on the night of 31 October. A young woman went mad and killed all of her family. What is the connection between this tragedy and a few similar tragedy before that? Why did it always happen on the night of Halloween?

Halloween Night

Comedy

Some robots go trick-or-treating.

Halloween Tantei Oz Williams

Mystery Shoujo Supernatural

Oz Williams is a kid genius who has a special power when it comes to helping the dead get revenge! 19th century London is the place where kid detective Oz Williams and his unusual assistant live. Oz helps solve cases that the police have trouble with and in the end, the murderer always ends up killing themselves due to a mysterious power Oz shows them in order to take revenge for the dead. Oz has the ability to hear the dead and in the form of a Jack-o-lantern, the dead take their revenge on their killer. Oz loves sweets and always wears a Halloween costume all year round, so that's why he is known as the Halloween detective! (Source: LuffyNoTomo Translations)

Halloween†Town: Party Time!!

Shoujo Supernatural

Unknown to humans, a separate world, populated with supernatural creatures exists beside the world of humans. Some people of that world live secretly among humans, for various reasons. This manga is about four teenage boys, Minami, Shiro, Tohru, and Takaya, who all have links to the supernatural world. They pretend to live as ordinary humans, but they work part time to help solve the supernatural incidents in the human world! (Source: MangaHelpers)