Eikichi Hyodo/History

Chapter 1
Working as a farmer in the family onion farm, he is a young teenager who seeks new experiences because he thinks his life is monotonous, his sister tries to encourage him by telling him that his work as an onion farmer helps fight Saga's disease and she feeds him with an onion because he is hungry.

After a week, his sister still does not appear and his mother is angry with him because he thinks it is his fault for smoking while working, from one moment to another someone knocks on the door and they are a group of 3 girls with glasses who kidnap Eikichi and they take him to a dungeon in a mysterious mansion and show him that his sister turned into an onion, obviously Eikichi does not believe them so the group proceeds to introduce themselves as the "Saga Sagako Busters" and tells him that they are hunter of demons called "Sagakos", before continuing with their presentation a new demon appears and the girls go to the Ureshino onsen where a new demon will appear. Eikichi is distracted and thinks that the girls are crazy about what he is going to an onsen, but is surprised by a demon that appeared, along with Tae they counter the demon while the others arrive and throwing onions at him they manage to seal it for a limited time before escaping and leave the place smelling of onions.

Now with the demon that escaped, the group decides along with Tae to train Eikichi to become a new warrior of the "Sagako Busters Saga". Eikichi Hyodo/Sipnosis