[Hazawa Koichi × Kusui Aruta] Gakuen Souken Embu Vol.2 | Erotic Dance of the Campus Dual Blades
[Hazawa Kouichi, R-Ex] Kenran! Teito Shoujo Tanteidan - Akai Bouryaku wo Ute!
[リアルドリーム文庫02] [羽沢向一] 隣の人妻と女教師と僕
[Hazawa Kouichi, Kusui Aruta] Gakuen Souken Enbu | 學園雙劍艷舞 [Chinese]
[Hazawa Kouichi, Kusui Aruta] Gakuen Souken Enbu 2 | 學園雙劍激鬥 [Chinese]
[Hazawa Kouichi, Kusui Aruta] Gakuen Souken Enbu 3 | 學園雙劍烙印 [Chinese]