Ayumu Narumi

鳴海 歩
The protagonist of Spiral Ayumu is very intelligent but is very introverted and has a lot of selfdoubt. He fears that he cannot surpass his own perfect older brother and doubts himself to the point where he no longer believes he can do anything anymore without acting like his brother. He is a talented pianist like Kiyotaka an excellent cook and cares a lot for his sisterinlaw Madoka. Ayumu is also the supposed only hope for the Blade Children and their survival. Source: Wikipedia