[Machine Translation] This is the first volume of "Cho Brain Battle", the 9th round of Mahjong Saikyou Sen 2023 sponsored by "Kindai Mahjong". Celebrities who love Mahjong are competing in a heated battle. Included in this volume are the preliminary round A table, featuring comedian Shun Shun Clinic P, YouTuber Mushin Kagaku, and "QuizKnock" members Kouchan and Shunki Sugai.