Father-in-law secretly put an aphrodisiac in the daughter-in-law's food

My wife passed away a long time ago, and now I am living with my son and daughter-in-law. Miu looks very similar to my wife, making me want to... possess the girl. However, I have not found the opportunity yet.

The best chance came when my son went on a week-long business trip. As soon as my son left the house, I secretly put an aphrodisiac in Miu's drink and food. Even though the drug started to take effect, Miu began to show signs of arousal, but I did not rush. When I saw that Miu could not bear it anymore, I knew the time had come to possess the beautiful daughter-in-law...