He appears in the second part of Sensitive Pornograph. He quotsupposedlyquot is the rabbit that Ueno is suppose to be quotpetsittingquot for. Turns out Aki is found by Ueno in a closet. This is a very short episode between the two boys. Aki and Ueno are video taped having sex by this mystery man. After Ueno and Aki quotdo the deedquot Ueno leaves and Aki is left alone. Shortly after the mystery man appears and Aki tells him that he doesn039t want to be his quotpetquot any more.