My girlfriend, Mitsuki, found out about my cuckold fetish. A few days later, she sent me a cuckold video letter. I thought cuckolding was just something to enjoy in fiction... But as I watched a video of my beloved girlfriend making out with a strange old man, my penis began to stiffen. And Mitsuki, who was cuckolding for my sake, gradually got hooked on the old man's techniques...
