Spoiled harvest goddess Sakuna finds herself banished from her opulent celestial home to an island overrun with demons. In the untamed wilderness, she must rediscover her birthright as the daughter of a warrior god and harvest goddess by weathering the elements, fighting monsters, and cultivating rice, the source of her power. By her side in this forbidding place is her guardian Tama and a group of outcast humans. Together, these unlikely companions must join hands to tame both the soil and the demons of Hinoe Island.

Will Serfort dreams of keeping his promise to a childhood friend by becoming a Magia Vander, one of the mighty magicians who sit atop the Wizard's Tower. However, he is unable to cast even the simplest of spells, leaving him to fight dungeon monsters to earn credits at Regarden Magical Academy. As if that weren't enough, he finds himself putting his sword skills to the test against a bullying professor!

A young boy uses his scientific skills to fight enemies.

Duke Fleed is a survivor of the Fleed Planet who is escaped to the Earth, onboard a mysterious "spaceship", where is raised by Dr. Umon as his adoptive son, and known as Daisuke Umon. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his younger sister Maria Grace), Duke decides to fight back using his best weapon - the almighty Grendizer.