[ENGLISH-SUBTITLE] MIAA-280 When A Sudden Rainstorm Hit, I Was Stranded With My Girlfriend's Little Sister, And We Spent The Entire Night, Until The Break Of Dawn… Urara Kanon

The man living with her was thinking of getting married. She had a good relationship with her sister, Urara. One day, the train stopped due to a sudden heavy rain, and Urara, who became a refugee returning home, came soaked alone. And she also got stuck a