Overview

My younger brother, who works as a researcher at a pharmaceutical company, has fulfilled his long-held dream of conducting research overseas and is scheduled to travel to Europe next month. Until his departure, my younger brother is staying at his older brother's and his wife's apartment. Hana, a chaste brother-in-law, spends her days supporting her brother-in-law with a gentle smile. However, one day, when she was alone with her younger brother while she was doing housework, she confessed, ``Actually, I've been in love with her older sister for a long time.'' 's brother's wife is at a loss for an answer...