I overheard two beautiful single mothers at my part-time job talking about going on a hot spring trip together. For some reason, they enthusiastically asked me to be their driver, and I ended up agreeing. There's Rina, who always teases and messes with me, and Yuuri, who's gentle and kind. They're quite the contrast. I secretly have a crush on Yuuri, but Rina seems to have noticed... *This story...