Tenrai-Sensei is a blind swordsman, over 300 years old, who lives in a cursed forest that even Demons fear to tread. He does not fight demons anymore because he has transcended the need to. He has perfected a breathing style known as "Void Breathing" (Mu no Kokyu)—a style so silent and absolute that it kills a demon’s regeneration before the blade even lands.
While Koyoharu Gotouge’s original masterpiece focuses on the journey of Tanjiro Kamado, the concept of Tenrai-Sensei explores the untapped potential of the Thunder Breathing lineage, bridging the gap between the speed of Zenitsu Agatsuma and the divine fury of the heavens. The Origins of Tenrai: More Than Just Speed -Tenrai-Sensei- Demon Slayer- Kimetsu no Yaiba ...