Malsumis (マルスム, marusumu) is a demon in the series.
Malsumis was a highly malevolent god or spirit in the mythology of the Abenaki, an Algonquian people of northeastern North America. After the creator god Tabaldak created humans, the dust from the creation of man created Glubsak and his twin brother, Malsumis. Talbadak gave Glubsak the power to create a good world or to do good, while Malsumis used his power for evil, like putting thorns on plants or giving insects their sting. He still pursues evil to this day.
Malsumis is a fragment of Manitou that has possessed the Algon main office computers thanks to Nishi as well as sealing away the magic of Finnegan's demons. He desires souls and attacks the protagonist as Nemissa is considered a threat.