HomeCharactersKouichi HayaseKouichi HayaseHayase, KouichiVoiced byJPTetsuya KakiharaENJessie James GrelleIs Kouichi Hayase kawaii?Kawaii 💖Not kawaiiBe the first to vote.Kawaii ranking → Anime appearancesKurogane no LinebarrelsMain · 2008Kurogane no Linebarrels SpecialsMainManga appearancesKurogane no LinebarrelMain
