In the series, Light and Yomi are spending their daily lives happily playing video games. One night when everyone else is asleep, Light receives an invitation from Alpha, a messenger for someone named King. Light and Yomi are then sucked into another world, where they must undertake a quest to rescue Princess Melody from the demon lord. Light thinks this must be his destiny, while Yomi thinks it's kind of annoying. They form a party with Alpha to start their quest. Alpha as it turns out is an AI robot, and he has a program that allows them to raise their levels while slowly continuing their adventure. (Source: ANN)

Beast+ continues from where Beast left off, though it is marketed as a stand-alone series. Episodes are reduced to approximately ten minutes in length, airing in the thirty minute time-slot Oha Coliseum alongside the Saru Getchu anime. Beast+ consists of a string of arcs beginning with the appearance of the Professor and Zero (both from Mega Man Network Transmission).

The artificial sun that lights the frozen planet La Metalle is dying, threatening to extinguish what little life is left there. Queen La Andromeda Prometheum decides that the only way for her people to survive is for them to submit to Hardgear's transformation process, which will turn everyone's body into machines. The Queen's daughters, Emeraldas and Maetel, refuse to submit to this process, and fight to stay human.

The Amars go on an adventure in the forest.