Surprise Mixed Bathing!! My Awkward Erection Turned Into a Hot Spring Encounter

え？嘘！混浴だったの！？勃起が悪かったです。

Also known as SW-361

While soaking alone, a noisy mother & daughter arrived. For some reason, we all acted shy but began to relax. Her towel slipped, exposing her nipple. My awkward erection turned into a hot spring encounter