My brother's wife, who has a strong sex drive. Every day, my tsundere sister-in-law tempts me, making my days miserable. As soon as my brother leaves for work, she starts playing tricks on me. Sometimes she deliberately masturbates in front of me, and other times she shows me their marital acts. And finally, it happened. Unable to endure her repeated temptations any longer… we crossed the line that should not be crossed…
