What if a girl is too stubborn to accept the fate of her missing bother becomes a galactic hero?
Kuromoto Rena, was just an average tomboyish girl, who looked up to her elder brother that was a chosen Space Guardian to save the universe from the Shinen no Kaibutsu. Her life changed once her brother went missing on a mission.
Rena goes to Interstellar Hero Agency to become a Space Guardian to find the truth. After being rejected by the agency, she runs into a mysterious scientist named Professor Midnight Lucesco. In exchange for finding her brother, Rena must work for her as a Space Guardianand saved the universe from the Shinen no Kaibutsu and their creator Noctis.
