I Deliver Express to the Imperial Harem

Plot Synopsis

The courier guy was constantly harassed and insulted by his supervisor on a daily basis, and even had his grandfather's jade pendant forcibly taken away by the supervisor. Unexpectedly, he accidentally opened the door of time and space and traveled with his vehicle to the world of the empress. Relying on the parcels that came with him through the time travel, he helped the empress solve problems, maneuvered freely in the imperial court, and also handled things with ease in the harem, thus starting a legendary experience.