Aika Natsukawa is the main female protagonist of the Yumemiru Danshi wa Genjitsushugisha series. Aika appears to be a a cute, diligent and friendly girl who is adored by her classmates. She is hardworking and gets frustrated on not being able to do good enough. She often comes off as harsh when dealing with Wataru Sajou but is actually kind and caring. She never used to be interested in matters regarding love and thus finds it difficult to understand and deal with romantic stuff