[Machine Translation] This is the middle volume of "Titleholder Summit", the fifth round of the Mahjong Saikyou Tournament 2021 sponsored by Kindai Mahjong. Included in this volume are the preliminary round B tables featuring Takashi Kono of the RMU, Yoshikazu Shibata and Sho Shiratori of the Japan Professional Mahjong Federation, and Doki Asai of the Japan Professional Mahjong Association.