The protagonist of the series. He has feelings on first sight for the Ayanomine princess Erika who he met on the first day at school. After Erika split into two personalities he regards the golden girl Erika as the real deal and treats the silver girl Ginka as the fake. Upon knowing that Ginka has no place to go after escaping from the Ayanomines Noborou lets Ginka stay at his place and learns how to conquer Erika from her. Over time Noborou learns that Erika and Ginka are one and the same and develops deeper connections with both of them.