A high school student named Yachi Haruaki receives a mysterious, super-heavy black cube from his father overseas. That night, Haruaki wakes up to a suspicious noise in the kitchen, and he discovers a fully naked female thief of rice crackers. The girl, Fear, is the first of several surprises that Haruaki receives.

• Yukari Tamura
• Minori Chihara
• Eri Kitamura
• Yuki Kaji
• Takuma Terashima
• Kana Asumi
• MAKO
• Yui Ogura