My husband doesn't know - my lewd desires and secrets

Mako, the wife, is excited by her husband's junior and former work colleague, Oki, who met her husband for the first time in a long time. However, Oki, who had secretly admired Mako for a long time, helps out even though she is drunk, and forcefully pushes her down. Mako is upset that her husband was raped while she was drunk. However, the pleasure that penetrates deep inside her body strongly controls her mind... Her body, trapped in guilty pleasure, gradually becomes addicted to her actions with Oki. Then Oki visits the house again...