Injoku Oshuu Lab ~Kimokute Niou Douryou ni Youshanaku Hame Sosogareta Niizuma Kenkyuuin Miyuki

Miyuki was the beautiful recently-wed lead researcher at Saejima Medical Industries. Her gentle husband doted on her and loved her as the center of his world. In her mind, there was no doubt their happiness would last forever...

But then... a terrible failure at the lab changed everything.

If it were to become public knowledge, even her husband's career would be ruined. But the moral slope is steep... Seizing opportunity, Miyuki's despicable male colleague began to blackmail her. He agreed to keep her secret, but at the cost of her marriage loyalty...

[From DLsite English]