The Red Stone of Aja (エイジャの赤石,Eija no Sekiseki) is the third volume of Battle Tendency and the seventh volume of the JoJo's Bizarre Adventure manga. It covers the second half of the fight against Santana up to the first encounter with the Pillar Men in Rome.
Adults have trouble respecting the young. If the head of state was a 20-year-old man, everyone would make fun of him even if he was very competent. For the same reason, when I see a young mangaka being arrogant, I want to kick his ass. I know that's extreme and I regret having such an aggressive temperament. I will try to soften, to respect the young and to accept to learn from them.