Secret kissing affair between a father-in-law and his wife

Toru, his stepfather, has been living in alcohol since his wife was lost. While I was drunk, I remember my wife's lips when she was alive... One day, Toru unintentionally kisses his wife when she appears in front of the drunk Toru. However, what was right in front of her was Kana, the wife of her son, who came to visit her with concern for Tohru. Then, unable to forget Kana's lips, Toru sneaks into Kana's sleeping room... Then, Kana's desires become uncontrollable as Toru's kiss forcefully stole her lips and entangled her tongue...