Tonight I was planning to work overtime to meet the deadline for the boss's report, suddenly a storm arrived, heavy rain accompanied by thunder and lightning causing the electric trains to stop operating. I was considering staying here alone tonight when senior Nanami suddenly rushed in with her body soaked in water. Her thin shirt was wet, revealing her bra and almost her entire body in front of me. I handed her a towel to dry off and she turned back to get her things. Suddenly, a thunderstorm erupted, and Nanami-senpai immediately hugged me, she seemed very afraid of the thunder so she wanted to hold me for a while longer until the thunder passed. Looking at her seductive, wet body with the scent emanating from her body, I couldn't resist touching her all over! As the water rose, I was about to go further when she suddenly kissed me, it turns out I was not a wolf but a small weak lamb in front of her! Nanami made me have sex all night until morning to satisfy her sexual desires, almost draining all my strength and energy...