During an argument with his mother, Katsumi Kawana accidentally blurted out that he was not interested in women. After being kicked out by his angry mother, Katsumi, a freelance worker with no income, had no choice but to seek refuge with his outstanding brother. Unexpectedly, after being severely scolded by her brother, Katsumi, who couldn't sleep, found that his brother secretly kissed her? What is going on, and can they truly recognize each other's feelings?