Office worker Rie Miyagi was swaying on the commuter train. On Monday, a molester suddenly appeared. She thought if she screamed, someone would come to her aid... but when the time came, she couldn't make a sound and was at the mercy of the molester. He realized she couldn't resist, and she couldn't even resist his training. "Abstain from sex and come to this car again," she was ordered, and once again she went to the same car at the same time. As this twisted weekday relationship continued, Rie began to crave the molester more intensely... and finally Kokoro thoughts were leaking out. "I can't take it anymore...! More... Please take me with all your might..."