While the project leader Ami does a good job, she sometimes does power harassment because of her fierce temper. In her private life, she gets a wealthy husband, but there is no love for her. "You know, the boss is afraid of small, dark ~ places" What happened to her? - Ami is confined in a closed room and is cursed by men in a panic attack. Sanity torn apart in the dark, reason annihilated! In an attempt to escape from her fear, the woman sucks on the as if clinging to it.