※估算 根据卷数、再版次数、连载杂志等推算的参考值(非实测)
作品概要
In a world where steam engines have been developed using a special fossil fuel called “Meteorian Coal”, Kanata, a boy who works in a coal mine, studies hard and improves himself despite the poor environment. Then, the boy's destiny begin to turn as he works to open up a new vein of coal.
来源: AniList
外部数据库: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections