The Final Boss Owes Me Money

Summer Lynn, in pursuit of a 50,000 yuan debt, enters an S-Rank horror Dungeon 'Black Mountain Inn.' Glasses break, causing 'lossy quality' vision. She mistakes Anomalies for staff and BOSS Damien Shaw for the debtor. Ignores Instant-Death Rules, turning horror into debt collection. Makes BOSS lower his dimension. He follows her to the human city for a cohabitation life of 'working off the debt with chores for 100 yuan a day.'