Nana Kisaragi, who lived quietly in a suburban house while earning a living at an online shop that handles imported furniture and miscellaneous goods, lives with her fiance Ryo Sato. However, Ryo suddenly changes and becomes violent. Afterwards, Nana strangles Ryo who is in a tipsy state. She hides the corpse in an old freezer in the storeroom and her free life would soon begin.
