NTR (Netorare) - Wife Slept With by Computer Teacher - Kaori Otonashi - NTRD-036

I run a confidential equipment company. I've been married to my wife Kaori for nine years but we don't have children yet. Recently, my wife started taking computer classes outside of school. I thought the teacher was an upright young man and it would be fine, but I never expected that he would gradually sleep with my wife and steal her away...