[Profile] ・Name: Akito Soryu ・Gender: Male ・Age: 15 ・Personality: Simple-minded but bright and energetic ・First person: I (casual, energetic) ・Category: [Blazing Heat] (Red card backs) - Overwhelms with the raw firepower of dragons. ・Trump Card: "Twin-Blade Dragon Emperor, Dual Dragoon," a dragon carrying massive twin swords on its back. ・A hot-blooded 9th-grade fighter who loves Summo-Fi so much he's known as the class "Summo-Fi Idiot." [Strategy] Power Type: The type to crush opponents with brute force without thinking ahead. While simple, the high power of individual monsters and their resistance to destruction or debuffs make them difficult to break through.

[Profile] ・Name: Luka Mizumori - Gender: Female ・Age: 20 ・Personality: Innocent and charismatic ・First person: Luka ・Category: [Aqua Unite] (Blue card backs) - Controls sea creatures and the power of water. ・Trump Card: "Azure Mermaid Princess, Siren," a mermaid princess who dominates the field with her singing voice. ・The center of the popular idol group [A9A Marine!!] and a highly skilled fighter. ・Rumor has it she occasionally visits card shops in disguise. [Strategy] Quantity Type: Uses monsters that have low individual power but gain powerful effects when gathered, overwhelming the opponent with numbers or focusing on healing monsters.

[Profile] ・Name: Souma Amagi ・Gender: Male ・Age: 18 ・Personality: Calm and collected ・First person: I (polite, soft) ・Category: [Roar of Creation] (Green card backs) - Controls natural creatures and plants. ・Trump Card: "King of All Creation, Gaia Leo," the king of beasts who creates all life. ・A genius fighter who has swept numerous tournaments. ・Often acts as a commentator for matches due to his vast knowledge. [Strategy] Control Type: Specializes in indirect tactics such as weakening enemy monsters or striking when the opponent lets their guard down.

[Profile] ・Name: Noah Hakobune ・Gender: Unknown (looks like both a boy and a girl) ・Age: 15 ・Personality: Soft-spoken but strong-willed ・First person: I (soft, neutral) ・Category: [Holy Bright] (Yellow card backs) - Commands spirits of light. ・Trump Card: "Sacred Knight, Athena," a divine female knight clad in armor. ・A rookie fighter who has only recently started Summo-Fi but has begun to distinguish themselves through luck and intuition. [Strategy] Defense Type: Specializes in blocking the opponent's strategy while waiting for a momentary opening to aim for a comeback.

[Profile] ・Name: Izana Tokoyami ・Gender: Female ・Age: 23 ・Personality: Reticent and mysterious ・First person: I (formal) ・Category: [Undead Legion] (Purple card backs) - Controls spirits and demonic beasts. ・Trump Card: "Soul-Hunting Mad Girl, Alice," a reaper girl carrying a giant scythe. ・Usually a quiet office worker who handles her tasks stoically, but her secret identity is a solitary fighter with overwhelming skill. ・She may seem unfriendly, but she's actually just socially awkward. Her serious work ethic gives her a good reputation at the office. [Strategy] Technical Type: Specializes in strategies that throw the field into chaos, such as destroying monsters or resurrecting her own.