The scumbag who got her pregnant had an affair; his ex-wife became the wife of an older man; the simple wife got pregnant by the older man's large penis; Nagasaki Yukine NGOD-294

The second son born and raised in a wealthy, upper-class zaibatsu family… But because he was “the child of a concubine, the child of an affair partner,” he was mistreated by his family from a young age… After getting married, he and his wife now run a small town factory in a city far from home, living a frugal life… A husband forced to bow to his despicable, wealthy family due to financial constraints, accusing them of “adultery” and “getting her pregnant.” Despite working hard, one day he discovers his wife is pregnant…