A telephone call informs Ituski that his father has collapsed. He still cares, but father and son have not had the best of relationships. Ayumi is a professional mover and misses having a father. These men are unconnected and unrelated, but their pasts and states bind them through nothing more than a piece of paper.

Zeus was an omniscient and omnipotent god who ruled in Heaven where the gods lived. However, he was a pervert who had a wish to flirt with young angels, unbeknownst to his wife, Hera. He came up with an idea to make use of the promotion examination which took place every three years. Three angels, Yuu, Miki, and Chadoko, came down to Earth to take the exams. When they began to work part-time jobs...