About this deal
The tentacles spoke to me, asked what I wanted to be. To be weak I said, to be flawed, vulnerable. To perceive weakness in others not to exploit but to protect. To be a guide, to be a teacher."
His vow to Aguri after her death) " So long as I have time... I will use this as a teacher. The students you watch over, I will watch them myself. No matter what, these tentacles will not let them go."
However, after meeting Aguri Yukimura, he finally knew what compassion really was--becoming much more kind and compassionate. According to Aguri, if he was born in a peaceful country, he would be "a little lecherous, smart, klutzy, kind of stingy, and stubborn" and he would smile because he is a genuinely a kind person. [3] This prediction happens to reflect his personality; which became forefront after he answered the tentacles.
Korosensei has the appearance of a yellow octopus. He is about three meters tall and possessed a large, bulbous head with a large smile that rarely breaks or moves and small, beady eyes. He uses two tentacles as arms, each having two feelers as fingers, and utilized the rest of seemingly jelly-like limbs - his tentacles - to walk. Korosensei has a pair of hidden nostrils, which make him appear to have four eyes if detected. Due to his constant grinning, he can change his color depending on his emotions.Korosensei hides certain things from his students in his life, which was revealed during the extra chapters. Here are the foibles that Korosensei has for his life as an adult.