Atsushi Kinugawa, a third-year Binan High School student and steadfast pillar of the Earth Defense Club, sports dark blue collar-length hair, brown eyes, and glasses worn consistently outside baths. His 180 cm frame grants him a towering presence among peers. Born October 5 under the Libra sign with blood type A, his disciplined demeanor contrasts sharply with En Yufuin’s nonchalance. Academically gifted, he secures second place in his year, trailing only childhood friend-turned-rival Kinshiro Kusatsu. The pair once shared affectionate nicknames—“Kin-chan” and “Atchan”—before unresolved tensions fractured their bond. Atsushi’s resolve to shield others stems from a childhood pact made with Kinshiro beneath a shooting star, sparking his aspiration to become a superhero. As the Battle Lover Epinard, he commands air as the Piercing Prince, channeling it through his Gallant Hurricane weapon to unleash the Epinard Hurricane. His precision-focused combat style masks an initial reluctance to engage, often triggering clashes with En during missions. A turning point arrives during the Culture Festival, where a fierce battle against Kinshiro—now aware of his secret identity—bridges their estrangement. This confrontation, charged with unresolved history, rekindles their fractured friendship. Atsushi’s loyalty anchors the Earth Defense Club, his calm demeanor counterbalancing chaos. Beyond battles, he decompresses with jigsaw puzzles, hot spring visits, and perfecting curry recipes—a talent displayed at the Culture Festival. His family includes an older sister, while his aversion to vaccinations hints at a relatable vulnerability. The surname Kinugawa nods to the Kinugawa Onsen resort, aligning with the series’ hot spring nomenclature. In *Binan Kōkō Chikyū Bōei-bu Eternal Love!* (2025), Atsushi rejoins fellow Battle Lovers against emerging threats, though documented accounts remain sparse on his precise contributions.