Amazon.co.jp: EpisodeØ(エピソード・ゼロ): ミュージック。HAGANE -Episode 0- 邦楽。Episode 0 | Boku wa Tomodachi ga Sukunai Wiki | Fandom。Episode 0 | Boku wa Tomodachi ga Sukunai Wiki | Fandom。HAGANE / - Episode 0 -1. BRAVE2. To Cover3. Connect4. Soul Beats5. WintrySky#HAGANE#ハガネ