I was soaking in a mixed bath hot spring alone when suddenly the big-breasted young wives from the neighborhood bus tour barged in! I felt awkward and tried to leave, but then one of them dropped her towel, revealing her huge breasts!? Was that on purpose…? The seductive young wife seemed to be showing off, making me fully erect! Of course, I couldn't hide it and got caught, thinking 'this is bad,' but the excited young wife who saw my erect dick approached me and... she touched it! There was no way I could hold back after that…
