Here's hoping misunderstanding is clear next chapter and the rest of the following chapters are about the other couple. 5-6 chapters are standard for a yaoi one shot tankobon
Ok, i am hoping this is not going to be incest melodrama , but it seem that she going to be the mistress daughter who might be his kid or his dad's kid?
He was ill and had a relationship at 17 at her hometown. He is about 40 now.
She was born and raised there but left due to some drama maybe...