三春滝とのギャンブルを選んだ芽亜里。謎を解き、宝箱に隠されたヒントを探す初戦の「宝探し」をつづらと戸隠と協力しながら拮抗した戦いを見せるも、三春滝のあまりの強さに怯んでしまう。そんな芽亜里を鼓舞するのはつづらだった。決心を決めた芽亜里に用意されていた2戦目は、1対1のギャンブルバトル。ゲームの名は「限界ダイス」。ディーラーを務めるのは壬生臣葵。限界まで思考を巡らすことが求められるギャンブルだ。相手の心理を巧みに読み取れる三春滝によって早々にイカサマを暴かれ、ピンチに陥る芽亜里。圧倒的な強さを誇る三春滝の前に敗戦必至と思われたが・・・。JKギャンブラー早乙女芽亜里は、この勝負で新たなステージに駆け上がる―！
미하루타키의 실력을 실감하는 메아리. 츠즈라와 토가쿠시 없이 홀로 게임에 나선 메아리는 미하루타키에게 몰리는데... 보물 상자의 열쇠를 차지할 사람은 누구인가.
Mary chooses to face Sakura Miharutaki in a gamble. In the first match, a treasure hunt game where she must solve riddles and find hints hidden in treasure chests, Mary teams up with Tsuzura and Yukimi, putting up a fierce fight. However, she falters in the face of Sakura's overwhelming strength. It's Tsuzura who encourages the wavering Mary. For the second match, Mary prepares for a one-on-one gambling battle called the "Dice Nim Game," with Aoi Mibuomi serving as the dealer. This game demands pushing one's thinking to the absolute limit. Mary quickly finds herself in a pinch as Sakura, who skillfully reads her opponent's psychology, exposes her cheating. Facing Sakura's seemingly invincible strength, defeat appears inevitable, but high school gambler Mary Saotome rises to a new stage in this battle!
