母と息子でAV鑑賞 「こんなので興奮する訳ないじゃん」と、最初は平然としていた母だったがどちらともなく我慢出来なくなって…。
Mother and son watch adult videos. At first, the mother is calm and says, "There's no way I'd be excited by something like that," but before long, neither of them can contain themselves...
