They played and studied together... They had been good friends since childhood, but he had the biggest penis she had ever seen. Eren is approached by a childhood friend for advice. He has just gotten his first girlfriend, but he is afraid that she will find out he is a virgin and hate him, so he wants to ask Eren to take his virginity. Out of friendship, Eren reluctantly accepts, but when he takes off his pants, he is shocked to find that he has a huge penis of about 18cm.