[OBKm-012] music by: ハナカミリュウ soundcloud.com/hanakamiryu twitter.com/Nakayakusyon track 3 「大海嘯」 co-produced with: cotowari soundcloud.com/cotowari twitter.com/cotowari_ mastering by: Hoshizawa Mirai twitter.com/hyoka_472 illustration by: けづるくん twitter.com/kezuru_