KSBJ-374 Beautiful Wife Cuckolded, Perverted Couple's Lewd Plan Konaumi Aya

I happened to meet a senior from my student days and was called to my house.It seems that the senior is having a happy marriage with his wife.He told me to drink to the fullest, so I decided to stay at my senior's house.Late at night, while searching for the toilet, I witnessed a senior training his wife for masochist.The next morning, my senior went out and my wife, who was alone, seduced me with a strangely close relationship, but it was all a plan by a perverted couple...