SAMA-860 Married Woman Lover Contract 2

Series the second installment!! A housewife with too much time and desire on her hands secretly takes on a part-time job without her husband's knowledge. She has a physical contract with a man she just met, fucking non-stop. Since it's a no-strings-attached relationship, she only enjoys sex, with no complications! 'I get horny during my fertile days' 'I wanted to have sex with a man other than my husband' 'It's okay if he comes inside me. Because it felt good...' etc., are Japanese housewives too slutty?