Youtarou Amatsuka

Resumen

The male protagonist. He is about 15-years-old and a first-year in high school (17 and third-year in the light novel). He is at first somewhat intimidated by the thought of living a with his new sisters, but he is soon accepted by most of them. He is helpful and kind, but is also not opposed to looking at some of his older sisters with interest. -Wikipedia-