This is a erotic book about Mob x Senji Muramasa.
To provide for the Onui Family, who were left behind in a rough world...
Muramasa was forced to serve the men of the village.
He settled in as a blacksmith, living in a hermitage that the landowner arranged for him.
One day, he was summoned by the landowner again...
He gets punished when the landowner finds out that Muramasa has slept with a young man without telling him.
The book is full of erotic scenes that are worth seeing, when the expression on Muramasa's face fully falls into the pleasure of being embraced by the men of the village.