A Rainy Night's Unexpected Encounter

I went on a trip with my husband and child.
After enjoying a one-night stay, we planned to drive back leisurely, but a heavy rain began to fall.
The rain was much heavier than what we had heard in the weather forecast, and the wind was strong, causing the highway to be closed.
We tried to keep driving, but when we reached a flooded area, we lost our way and decided to enter a restaurant to plan our next steps.
The restaurant was crowded with people due to the holiday season, and we ended up sharing a table with another family of three around the same age.
They seemed to be in the same situation, and as we were both at a loss, news came in that the bridge was also closed.
We gave up and decided to stay another night.

We became friendly with the other family and went around several hotels in the area, but it was difficult to find a vacant room.
When we finally found an available room, it was a single Japanese-style room.
After discussing it with both families, we decided to share the room.
The children got along well, and I also got along with both the wife and husband, so we felt comfortable sharing the room.
The room was a six-tatami mat space, and after having dinner together and taking a bath in the large public bath, the children went to bed early.
The four adults drank for a while, and then the husbands, getting carried away, suggested 'switching partners for sleeping,' and the wives, in high spirits, agreed and went to bed.
I lay down with the other husband on one side of the six-tatami mat room, with the children in between, and the other wife and my husband on the opposite side.
Of course, the children were sleeping in the same room, so it wasn't meant to have any significant meaning, just seen as a playful act.
However, when the lights were dimmed to a nightlight and I slipped under the futon, the husband next to me started to move closer.
He gently reached out and slipped his hand into my futon, touching my arm.
My heart raced with excitement.
Listening carefully, I could hear my husband whispering on the other side of the room.
It seemed he was talking to the other wife.
The husband next to me cautiously but surely moved closer, and now half of his body was inside my futon.
I glanced at his face.
It was too dark to see clearly, but I could tell he desired me.
I closed my eyes and relaxed my body.
His leg touched mine, and his hand touched my chest over the yukata.
Although I was wearing underwear, the yukata itself felt very insecure.
Just as his hand was about to touch my bare skin from the collar of the yukata, I heard a small voice from the other side of the room, the other wife's voice.
It sounded like she was giggling.
I accepted his hand slipping into my yukata.
It felt good.
The caress, completely different from usual, was very refreshing for me, not intense enough to make me reject it, but sweet enough to make me melt away.
I noticed my face relaxing with happiness, but I didn't mind if he noticed it in the dim light.
As my body gradually heated up, the caress over the bra became frustrating every time his hand came to my chest, and I entwined my legs, seeking caress on my bare skin.
His hardness touched my knee, pleasing me.
He pulled my body closer.
I responded by squeezing his thigh between my inner thighs and pressing my groin against him.
At some point, the hook was undone, and the bra slipped off my chest.
The sense of liberation at that moment was the best.
As soon as his finger touched my nipple, I let out a small 'ah.'
Surely, my husband must have heard it.
Thinking that made my body even hotter, and I sought more caress.
His large, rough hand, different from my husband's usual hand, covered my breast and kneaded it.
But it was never intense, gently and sweetly stroking, captivating me.
His other hand began to play with my lower body, and I opened my knees to guide his hand to my inner thighs.
I knew my underwear was soaked with my own juices.
I pulled myself closer, as if wanting him to touch the wet underwear, and when he finally touched my precious part over the panties, I trembled with joy.
After that, his hand invaded inside the panties, giving me a sweet, lingering time.
I don't know how long I was immersed in that sweet moment, but I fell into a deep sleep.
The next morning, I woke up to the noise of the children, and my husband was lying next to me.
He was in a very good mood.
The husband who had been lying next to me last night was sitting on the opposite side of the room with his wife, talking to the children.
When our eyes met, he smiled and said, 'Good morning.'
I looked at my husband's face.
He was making eye contact with the other wife.
Then, after a while, he turned to me.
We both smiled at each other.
I don't know why, but it was a happy moment.