Kyutaro works for a TV station. He is an assistant director and works hard every day. His life, however, starts going wrong when he takes in charge of a new TV program. The MC of the program is Aya, a popular newscaster, and she always teases him. One day, he secretly puts his semen into an Aya's coffee in revenge. She drinks it without knowing it and after work, she suddenly says to him, "Did you put anything into my coffee? It tasted differently." He is confused what to say, but she also says, "Today's my condition was great. I don't think that coffee had a special power, but it's worth trying...." Like this, his harem life with beautiful newscasters begins....