The \”Xianshizhuang\” apartment on the outskirts of Tokyo, although the building is a bit old, there are many people with personalities living in this tasteful British-style apartment. The cicada was born in the courtyard of the apartment. For many years he has been dormant in the ground, waiting for the day of emergence. When this moment finally came, he was looking forward to showing his head from the soil, yearning for the blue sky and white clouds, but unexpectedly met Yuka and was almost caught She pressed under her body, and his turbulent life began. Yuka was very clever. Cicada was not squashed, but noticed her lonely look. Cicada wanted to be a human and made her smile, so he really turned into a man and appeared in front of Yuka. He started to repay her. Seven days of limited life.