Her Majesty’s Dog (manga)

Volume 1, Page 1: The paper in Hyoue's mouth is a charm for sealing evil spirits.

Volume 1, Page 36: The kanji characters in "manatsukai" literally mean "True Name Controller."

Volume 1, Page 36: Koma-oni is based on the mythological Komainu (Korean Dog). Pairs of the lion-like statues were placed on the sides of a shrine or temple entrance to ward off spirits. Komainu entered Japan via China or Korea. Hyoue's true form is based on a Komainu.

Volume 1, Page 47: A lolita complex (AKA "lolicon" or "roricon") refers to an adult male who is fixated on an underage girl.

Volume 1, Page 55: The Japanese phrase for jealousy is "yakimochi wo yaku," which also means "to cook rice cakes." It's a Japanese tradition to cook rice cakes during the celebration of New Year's. Amane is so naive that she thought Takako was referring to Hyoue cooking rice cakes, as opposed to him being jealous of Takako.

Volume 2, Page 8: Nengajou are greeting cards sent to friends, family and coworkers in celebration of the New Year. Shochu-mimai, are summer greetings cards. Traditionally they are sent to inquire a person's health in a hot summer season. For both Nengajou and shochu-mimai, the post office issues post cards with lottery numbers on the back.