The beautiful sister next door I met when I moved was the delivery health lady I happened to call that night...! ?

The protagonist is perplexed by the situation where his neighbors sister, who he greeted during the day, is in his room as a delicatessen. Of course, the sister seemed uncomfortable, but I managed to keep the conversation going. They found out they had common interests and hit it off...! She gently guided me in my play, and our friendship would continue.

One day, he finds out that the older sister has a boyfriend and that he was treating her in an abusive way. The protagonist, having found out, couldnt stand still.