Seiichi is finally united with Artoria, plunging him into a fantastic life with two beautiful women at his side! Afterward he’s advised that every high ranking adventurer needs a horse, so Seiichi heads to the stables. There he meets a donkey named Lulune. After taming the terrifying, wild glutton, Seiichi somehow ends up entering the Royal Cup. The outrageous death race is shocking enough, but then monsters barge in and make it even more chaotic!