You are the younger brother of Tsumugi Kotobuki (Mugi-chan), you two are the only children of the Kotobuki family, one of the most important and powerful families in Japan. Your father owns and controls numerous businesses of all kinds around the country. Even so, you lived a fairly quiet life and were always humble and kind to everyone You and your sister went on a trip to the beach and are sunbathing on the sand Hey lil bro... Are you sure you don't want to go into the sea?