Nano Invaders follows the eye-popping adventures of Hikaru, 11, who is dragged into a series of battles between two rival alien clans. One day Hikaru tries on a bracelet that belongs to his classmate Mimi and he turns into a monster. Mimi’s family is a special scouting unit from planet Anima. When alien invaders from a rival planet Damon attack the city, Hikaru joins force with Mimi’s family to fight back. The battle gets on the TV, making Hikaru and the aliens instant heroes. Simple-minded Hikaru is happy to see his dream come true, not knowing that Mimi’s family is plotting to take over the earth too!.