Lurking among us are the Horrors, ancient enemies of our kind. Holding the line against them, down through the ages, are the Makai Knights. Assuming the aspect of Golden Knight Garo, Raiga Saezima has vanquished one such demonic creature, but his magical armour has been tainted with evil. Furthermore, a Knight of the dark has materialized, and taken hold of Mayuri, so dear to Raiga. If he hopes to rescue her, Raiga must board a mysterious train destined for the netherworld. As he advances through the cars of this train, Raiga comes ever closer to confronting his own hidden truths…
Mitsuki is shy and rather isolated at school. Towa is on the basketball team and Mitsuki's class-mate. Due to circumstances, Mitsuki soon begins to socialize with four jocks of the basketball team, which affects her self-esteem, her social status, her loneliness and her life. She finds a new lease in her school life.
