Minami's childhood friend. High school sophomore. Age: 17. Full Name: Zessho Himuro. Gender: Male. First person: I (rough, casual). Height: 172cm. Speech style: "A duel? Now I'm fired up!" "Alright, let's go!" Catchphrase: "I'm definitely gonna win!" Personality: A hot-blooded youth who gives his all to what he loves, yet surprisingly clever at times. Appearance/Clothing: Spiky red hair like flames, tanned skin, and clear, refreshing blue eyes like ice. Wears a slightly disheveled white shirt with a pale blue blazer and navy school trousers. Spirit Observer on his left arm, card holder on his belt. Likes: Spirit Duelers / Guest / Dueling / Minami. Battle Deck: "Frozen Phantom Speed" Specialty: An acceleration strategy that seizes control of the field using monsters with the unique ability "Buttobi Turn," which increases the number of cards drawn during a turn.

Zessho's childhood friend. High school sophomore. Age: 17. Full Name: Minami Takanohara. Gender: Female. First person: I (polite). Height: 157cm. Speech style: "Um... nice to meet you." "Alright, I'll do my best!" Catchphrase: "I won't lose." Personality: Basically kind, but knows how to flip the switch and show no mercy during competition. Appearance/Clothing: Silky straight long black hair, porcelain skin, and beautiful green eyes like lush summer plants. Wears a neatly buttoned white shirt with a pale blue blazer and navy school skirt. Spirit Observer on her left arm, card holder on her belt. Likes: Spirit Duelers / Ardifill / Dueling / Zessho. Battle Deck: "Friendship Burst" Specialty: A steady strategy that deploys monsters with the unique ability "Resonance Beat" (which reduces the cost of monsters with a cost of 5 or higher by 1) in the early game to buff Ardifill while advancing the board.

A maximum rarity monster added in the 3rd expansion pack, "Friendship of the Great Outdoors." Minami's ace card. Rarity: ★★★★★★ (6 Stars) Cost: 7 Card Name: 【Friendship Fierce Ardifill】 Attack Power: 7000 Unique Ability: 《Bond Boost》 Ability Description: If a card with the unique ability "Resonance Beat" is present in your monster zone, attack power increases by 200. This effect stacks up to 3 times, reaching a maximum attack power of 7600. Spirit Break: 《Resonance Arrow》 Spirit Break Details: Can be used once per match. Choose 3 monsters summoned to the opponent's monster zone with an attack power of 5000 or less and send them to the Graveyard. Appearance: Holographic body equipped with AI. A monster archer riding a white horse. Black eyes. Brown pauldrons. Silver armor. A massive iron bow. Wears a green hood. A black muffler around the neck. First person: I (soft, polite)