My friend, Saki Aikawa, sent me his private self-shot video as a thank you for always borrowing his notes, but then I got a message saying, "It was a mistaken send, so please delete it..." But I couldn't suppress my perverted heart, so I secretly checked the contents. Then, the person in the video was... my mother!? I was so panicked that I couldn't even try to confirm the truth, and only the days passed. One day, when I came home, there was a strange atmosphere...
