Donten ni Warau Gaiden: Ketsubetsu, Yamainu no Chikai

One year has passed since the great battle against the "Orochi" which left Tenka Kumou paralyzed from the waist down. While some of the old squad has remained together, Tenka has isolated himself. As his brothers, Sousei, and Kiiko try to reach out to him, hidden details are revealed from Tenka's past.