Forgive me... My Brother-in-law's Carnal Desire 7

They've been married for five years now... They're good friends, but before they know it, Misaki realized that they've become sexless. Misaki is shy, but casually appeals to her that she wants her to be aware of her as a woman, but her busy husband doesn't notice. One day, she visits to discuss that her husband's younger brother has left the company, but...