This allows the youth to become an Ultraman against countless enemies while keeping his identity a secret from his fellow members. EGG3 officer Choichiro Hikari was scouted to join the Science Guard Party on Earth but while on his way back, he was bonded to Ultraman Joneus, an Ultra Person of U40 who was sent by his brethren to fight against the monster threats and alien invasions.
In the 21st century, various mysterious events occur on Earth, causing monsters to appear all of a sudden.
