Solemn Responsibilities - In the Circle of These Arms

Romeo is banished from the keep by Lord Montague, and gives him authority over the Gradisca Mines. He is not allowed to return until the mine doubles its production. He arrives to find the mines filled with small-time criminals, and decides to work in the mines himself to increase production. He befriends a sickly worker, Petruchio.

Synopsis excerpt via Kitsu.