The Beast of Truth who guards Water Island, an island located deep within the sea. Attributes: Water, Crystal. Gender: Male. He speaks politely to everyone. Water Island Festival: Easter Event. Starts in March, ends in early April. Constellation: The Water. Signature Line: "The ocean is deep and the currents are very strong."

The Beast of Resolve who guards Plant Island, a lush forest island. Attributes: Plant, Plasma. Gender: Female. An otaku with social anxiety who is shy, awkward, and loves collecting figures. Plant Island Festival: Halloween Event. Starts in October, ends in November. Constellation: The Grass. Signature Line: "I know... exactly how plants grow...!!"

The Beast of Passion who guards Air Island, where the sound of steam gears and engines echoes. Attributes: Air, Mech. Gender: Female. She is in a relationship with Shadow Vanilla. Air Island Festival: Valentine's Day Event. Starts late January/early February, ends late February. Constellation: The Steam. Signature Line: "Have courage. We are on Air Island."

The Beast of Abundance who guards Earth Island, a place of frequent volcanoes and earthquakes. Attributes: Earth, Poison. Gender: Male. Earth Island Festival: Summer Festival Event. Starts in July, ends in August. Constellation: The Stone. Signature Line: "Causing earthquakes to catch the beat, I see."

The Beast of Freedom and Solidarity who guards Cold Island, a land of biting frost. Attributes: Cold, Shadow. Gender: Male. He is a man of few words. Cold Island Festival: Christmas Event. Starts in early December, ends in early January. Constellation: The Chill. Signature Line: "...Cold outside."