Tomoya Aki is a hardcore otaku student at Toyogasaki Academy, famed as one of the school's three most notable students for his fervent promotion of otaku culture. He sports straight black hair covering his forehead, light blue eyes, and consistently wears glasses, favoring a pair gifted by Megumi Kato over contacts. His personality blends intense passion for anime, light novels, manga, and visual novels with tenacity and strong moral principles. Driven by otaku pursuits, he demonstrates exceptional work ethic, taking multiple part-time jobs to fund creative projects after transitioning from consumer to creator. He maintains friendly relationships despite eccentricities and is nicknamed "Rinri-kun" (Mr. Ethical) by peers.
In middle school, Tomoya and childhood friend Eriri Spencer Sawamura endured bullying for their otaku interests. To shield Eriri, he spent a year normalizing otaku culture in their class, establishing an "otaku kingdom." Eriri later distanced herself to form new friendships, leaving Tomoya with unresolved bitterness. This experience solidified his resolve to embrace his passions unapologetically.
During high school, Tomoya founded the doujin circle Blessing Software, serving as producer, director, and programmer. A chance meeting with Megumi Kato under cherry blossoms inspired him to create a dating sim, though he initially failed to recognize her as his classmate due to her inconspicuous nature. He recruited Eriri as illustrator and Utaha Kasumigaoka as scenario writer, with Megumi modeling for the heroine. His leadership also extended to managing his cousin Michiru Hyodo's band, Icy Tail.
Tomoya's relationships significantly shape his path. His bond with Megumi evolved from disappointment in her "ordinary" demeanor to profound mutual reliance. He often misread her subtle expressions but gradually acknowledged her steadfast support. After temporarily leaving Blessing Software to assist Utaha and Eriri with their professional game "Fields Chronicle," he recognized Megumi's indispensability, confessing his love during the movie's climax. They eventually married, becoming chairman and vice chairwoman of Blessing Software and purchasing a shared apartment.
His childhood friendship with Eriri held unresolved romantic tension; he admitted she was his first love. Their collaboration in Blessing Software rekindled closeness, though her past abandonment caused friction. They reconciled after openly addressing their grievances, with Eriri accepting his relationship with Megumi.
Utaha Kasumigaoka, his senior and respected writer (whom he called "Goddess"), shared a complex dynamic. She teased him relentlessly and harbored romantic feelings, stealing his first kiss. In a spin-off, they briefly became a couple after mutual confessions, sharing an intimate night. Despite this deviation, the main storyline concluded with Utaha accepting his commitment to Megumi and rejoining Blessing Software professionally.
In "Saekano the Movie: Finale," Tomoya faced writer's block scripting the main heroine route for Blessing Software's second game. His struggle mirrored real-life uncertainty about his feelings for Megumi. When Utaha and Eriri's project manager, Akane Kosaka, suffered a stroke, he temporarily abandoned his circle to help them negotiate deadlines for "Fields Chronicle," straining his bond with Megumi. This decision, while professionally successful, forced him to confront his priorities. Upon returning, he confessed to Megumi, weaving their real-life romance into the game's narrative. The game sold 1,000 copies at Winter Comiket, validating his creative vision.
The film's epilogue, set ten years later, depicts Tomoya and Megumi leading Blessing Software as a company, rehiring Utaha and Eriri. Their reunion symbolized enduring collaboration beyond personal rivalries, closing his journey from high school otaku to industry professional.