Hayato is the passionate leader of High×Joker, as well as the unit's guitarist. He also serves as a composer for the group along with Jun Fuyumi as a lyricist. He is a very energetic and friendly boy who gets excited easily, but doesn't go too overboard. He is also a bit of a crybaby, having the tendency to cry when he is extremely happy, such as when he came in first during the 1st SideM Election.