Hirose Kouji
広瀬 弘司
| Hirose Kouji広瀬 弘司 | |
| Hair | Brown, Short |
| Eyes | Brown |
| Clothes | Blazer School Uniform, Jeans, Necktie, Swim Shorts, T-shirt |
| Role | Friend, Student |
| Visual novels | Side character - Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~ Side character - August Fan Box |
| Voiced by | Takahashi Hiroki |
DescriptionNaoki's best friend. He is aiming at rebuilding an astronomical club that Naoki belongs to. | |