Saito's first love was his friend's mother, Asaka. Even though he knew it was an impossible love, he fell in love with her beautiful smile every time they met. It was his weekly pleasure to visit his friend's house and secretly check in on Asaka. One day, when Saito came to visit as usual, he witnessed Asaka's lewd behavior. The lewd figure he had dreamed of. With the brakes of his reason broken, he reached out for Asaka...