JUY-644 Stormy Night: A Night Alone with My Desired Sister-in-Law Rina Shiraishi

It's been a year since I started living with my brother and his wife at our family home. Rena, the woman I secretly admire, is on an overseas trip. She was supposed to return today, but in this situation where a typhoon is hitting... As I was lost in thought alone in the empty house, the doorbell rang. I hurried to the entrance and found Rena standing there, soaked by the rain… 「Her hair glistening with wetness... Rainwater dripping from her jeans... Her underwear, see-through from the dampness」 I couldn't take my eyes off her…