Kanna is too sensitive and comes too quickly. Once she comes, her husband reaches his limit and gives up on sex. He wasn't satisfied with their married life like this. Then, he happened to run into a guy from his old part-time job and decided to go drink with him. However, Oda gets excited and makes a mistake with the defenseless eroticism of drunk Kana. However, even after being violated, an indescribable feeling sprouts within him. Another day, Oda continues his acts with Kana. Kanna is sinking into a quagmire. Takao, who had just returned from work, witnesses the relationship between Kanna and Oda but can't bring himself to say anything because he's weak-willed. Kanna gradually changes through her sexual encounters with Oda. Although she can't tell her husband about her relationship with Oda, he becomes resentful as he watches Kanna's behavior change drastically. He got hooked on the act.
