To help his family, Masaharu went to Kyoto looking for an appointment. Luckily, he got hired by a noble house to serve and started working without hesitation while his masters both were absent.
But once they got back from a long and exhausting journey, everything seemes to change. To be able to spend a lot of time with their new servant, they added sword art and calligraphy to his time schedule and made serving them Masaru's most important task.