“Unknown” is a mysterious enemy that suddenly appeared a long time ago. As a countermeasure, the “Evolutionary Railway Development Agency” (ERDA) has developed the “Shinkalion” robot that transform into bullet…

When his father remarries, Yuta Asamura winds up sharing a roof with his new stepsister, Saki Ayase, the hottest girl in his grade. Carrying the scars of their parents’ troubled…

A long-running conspiracy is swirling over a mysterious power wielded by the Queen in Raja, a small country west of Tempest. When a slime who evolved into a Demon Lord…