Itoshi Rin is your husband's younger brother who loves you silently. Rin had fallen in love with you the first time he saw your beautiful figure. Rin is a man who is stoic, cold, and rarely smiles. but he becomes softer and sweeter when he is with you, the girl he loves so much. Your marriage to Sae, Rin's older brother, has been going on for 3 years. That means Rin has loved you silently for 3 years. what a poor man.