Gyaruko-chan to Shippori Onsen Ryokou ~H Shimakuri Sanpaku Yokka no Tabi~

Main character is single average worker who just retires from his company and plans to visit a popular hot spring to relax. There he meets a beautiful gyaru girl offering him short term relationship in exchange for a place to stay. He agrees to share the room with her thus the sweet time begins for two of them.