Jesse Iges serves in Basion Academy's Spatial Armor Squadron (or Space Squadron) under Commander Lottie Gelh. She maintains a close association with Lottie, frequently supporting her initiatives despite occasionally voicing complaints about Lottie's more demanding or unconventional ideas. Characterized as quiet, unathletic, and generally unaccomplished compared to fellow Reasoners, Jesse's loyalty and willingness to contribute secure her place on Lottie's elite team.

Her narrative role reinforces squadron dynamics through group activities. A notable moment occurs when Lavinia Reberth, under a misapprehension, mistakes Jesse for Sara Werec and kisses her in the showers. This incident, played for humor, does not catalyze significant character development or deeper connections for Jesse. She participates in various combat missions against the Deague Empire alongside the squadron.

Jesse survives the series' events, distinguishing her from fallen comrades. Her background, motivations, and personal growth remain largely unexplored across official media.