Fuse

Fuse is a human male in SaGa Frontier. He is a patrolman for IRPO.

Red's Quest
He questions Cindy Campbell along with Red in the C.T.C. Building in Manhattan. He later joins Red briefly when he helps him defeat Nomad and her pirates who hijacked the Cygnus.

Fuse later joins Red in Manhattan. He can also join Red if Red seeks the Shield Card in the Arcane Quest before talking to Fuse in Manhattan.

Emelia's Quest
Fuse interrogates Emelia about the murder of her fiance Ren.

He joins her if she completes the Mosperiburg mission to obtain the Shield Card.

Lute's Quest
Fuse warns Lute about Mondo.

He joins him if he completes the Mosperiburg mission to obtain the Shield Card.

Other Quests
He joins the party if they complete the Mosperiburg mission to obtain the Shield Card.

Trivia

 * Fuse was intended to be an eighth playable character, and a title screen sprite even exists in game data.
 * Related to the above, Fuse has a shadow in Omble.