Odagiri Suzuko, 20 years old, been living alone in an apartment, but her older sister often used her room to party with her friends. Feed up with her sister attitude, she decided to move into another place. She ended up renting a room in an old couple's house. With the help of the"fierce" old woman, she tried to fix her habit of yielding to her sister request.
One day, the old woman's grandson started to live with them. He hated Suzuko, but he often get possessed by two ghost who seems to love her. So he often ended up waking from possession in awkward position with her.