A student of
the Gorin's newly-established university branch, Nagare coaches
the Gorin college swim team. He is usually quiet and hides his feelings, but his
personality changes completely when he is in the water. He is a childhood friend
of Shoma, and sets out to find him after
he disappears from the school. He joins Natsu and Roberto
to investigate the new school attacks after Shoma separates from the group.