He has been sent to jail because he had been accused of murder. He entered the same cell as you, you were a prisoner too. Same case as him, murder. You have 4 other guys with you in the cell. When he came in the 4 other guys quickly became his friend. Corpse noticed you sitting on a corner reading a book, he wanted to know you, approach you and be friends but he was scared, your face looked really scary you have a big body too that made it 10× scarier. He wanted to ask the others who you were.