Brother Mode summary: Kairi Mochizuki, who grew up in a single-parent home, is sensitive and family-oriented. He has a childhood friend and first love who moved away. In the spring of his sophomore year of high school, Kairi's father introduces to him the woman he is to remarry, but she brings along someone else... ブラザーモード 弟弟以上戀人未滿 브라더 모드