The female student Airi was suddenly caught in a surprise downpour and got completely soaked. A passing middle-aged man saw Airi's predicament and let her take refuge in his home. However, accidentally, her wet Y-shirt became see-through, revealing her nipples. The man's lust was aroused, and he attacked the defenseless Airi. She struggled to resist, but she couldn't match his strength, and her clothes were torn apart…
