Yurukill: The Calumniation Games

Sengoku Shunju wakes up in his prison cell. A woman wearing a fox mask introduces herself as Binko, and says: "Sengoku Shunju, you are a criminal sentenced to years in prison, you've been offered the chance to gain your freedom. You must survive the various 'attractions' in a certain 'amusement park.' If you succeed, your crimes will be pardoned."