Hikaru, a wife, decides to visit her sister and accompany her husband on a business trip. - Thanks to the kindness of my brother-in-law, I was able to use the vacant room until my sister was discharged from the hospital. - Hikaru meets Hikaru for the first time in a long time, and he develops delusions that are beyond the reach of Hikaru. - While I was taking care of my brother-in-law without knowing his thoughts, I was forced to do so by my brother-in-law. - Hikaru, who has a strong and irresistible personality, is unable to resist her brother-in-law's onslaught, and the relationship deepens to the point where she squirts before she realizes it.