Rika Sakurada is Hiromu Salurada´s Older Sister, She lost to her parents 13 years ago, when a virus known as Messiah, teleported to her parents to a Hyper space. Since that day she have been taking care of her liitle brother, But is time for him to save the world as their parents did, the thing is that Rika dosn´t want him join to the Tokumei Sentai Gobuster, although that he join them but he promised to her sister that he will come back home safely, Anyway she support him
