Akira Jougasaki appears differently across the anime and manga versions of the story, though in both he is defined by a calm, intelligent, and emotionally aware demeanor that contrasts sharply with the more volatile characters around him. In the anime adaptation, he is portrayed as a wealthy young programmer who presumably leads a high-level software development team within a large company. His professional success and financial stability make him a striking contrast to the struggling protagonists, particularly in scenes where his dedication to his work is shown to disappoint his partner, Hitomi, during a dinner together.

In the manga, Akira serves a different primary function as a school psychiatrist at Misaki Nakahara's school, where he provides guidance and emotional support to students facing personal challenges. In this role, he demonstrates a professional and empathetic nature, helping Misaki navigate her difficulties and integrate into the school environment. His patience and understanding allow him to fulfill a mentoring role not only for Hitomi but also for other characters who require guidance, showcasing his ability to remain composed and helpful in emotionally charged situations.

Regardless of the medium, Akira exhibits a personality marked by calmness, intelligence, and emotional awareness. He is known for his ability to think practically, as seen when he takes charge of logistical arrangements for a group recovering from a suicide attempt, contacting a resort so that everyone could relax after their ordeal. He also demonstrates a clear understanding of how individual actions affect others, explaining to a distressed group the wider consequences their deaths would have had on local fishermen, businesses, and tourists. His motivations largely revolve around providing stability and care for those close to him, most notably Hitomi, whose emotional state he actively works to stabilize. In the manga, he goes so far as to formally propose marriage to her, an act that alters her intentions of suicide and provides her with a new sense of purpose and security.

Akira's most significant relationship is with Hitomi, whom he supports as a partner. He is identified explicitly as her boyfriend, and their interactions form the core of his involvement in the plot. He is also shown interacting with the main protagonist, Tatsuhiro Satou, offering him a ride back to Tokyo and demonstrating a general willingness to help those in the social circle he shares with Hitomi. Akira's role in the story is primarily that of a supporting figure who provides a grounded, functional counterpoint to the chaos of the other characters' lives, acting as a source of practical aid and emotional stability. Regarding his development, the character remains fairly consistent, though his actions—such as the marriage proposal in the manga—represent a deepening of his commitment to Hitomi's well-being. Among his notable abilities, he is occasionally hinted to possess a hidden skill as an archer, and he sometimes wears inverted spectacles to showcase this talent. Despite his significant presence, many aspects of his personal life remain undisclosed, adding a layer of mystery to his character.