Ethan reveals to his parents that he drew a Legendary Summon card named Iris, impressing them amid family warmth. Suddenly, Ethan's father suffers a sudden health crisis and is rushed to the hospital. The doctor warns that only a rare Solaris Herb from the dangerous spatial rift can save him, giving Ethan just ten days to retrieve it. Despite the rift's deadly monsters, Ethan is determined, confident in his Legendary Summon and remaining blank cards for additional powers. As he teleports to the rift's edge, he unexpectedly encounters a hostile Iron Level 2 human ready to attack, putting Ethan immediately on guard.