are a group of techniques that utilize Medical Ninjutsu. First recovered by Tekizai, through his mastery of medical ninjutsu, Tekizai has recreated an art that gives him total control over diseases. The illness takes the form of a black aura which forms around Tekizai's entire body. The technique was labeled as a kinjutsu after the Second Shinobi World War, however, Tekizai was able to recover the technique, and now uses it as his main fighting style.