Immediately After Get Off Work, Copy Me, Chen Yan, and Sanction the Entire Company.

This is a "Workplace Cthulhu" world. Going to work consumes mental energy, and leaving get off work means entering a terrifying dungeon. The protagonist has a "Workplace Privilege Card" and can use real workplace skills in the dungeon. The boss is the dungeon boss, the painting is a curse, and overtime is a debuff. Whoever survives to get off work is the winner.