Perhaps because her husband was often away, the relationship between Yoriko and her stepson Eiji grew more strained each day. 'It wasn't supposed to be like this...' Yoriko sighed alone, but Eiji couldn't forget that day when a rift formed between them. Several months ago, when Eiji's brother Toru was still living in the house… Unaware that Eiji was watching, Toru, who was about to study abroad, forcibly took Yoriko's virgin anus. Eiji couldn't get the image of his mother's anus filled with his brother's penis out of his head...
