In the courtyard of a high-rise apartment in Tokyo, a strange incident occurred where objects fell from the sky.They even include someone's left foot and part of a small plane.Kotama Ya (Fujiwara Tatsuya) of “All Decision” said that this may be caused by the “Time Hole” - an extra-dimensional media device that connects the past and the future.Moreover, this time too, a criminal statement was received from Biruko, and Xingyu and Komu Amano (Alice Hirose) began to investigate the incident.

After DNA identification, it was discovered that the left foot belonged to researcher Tetsu Manabe (Gatoshi Jimbo).Manabe is the world's authority on gravity theory and the first person to study time holes.However, 4 years ago, while traveling on a small plane, the aircraft disappeared together with it...The Metropolitan Police Department's Kengo Arenami (Uzaki Ryuudou) and others carefully investigated the residents of high-rise apartments who may have dropped objects, but did not find anything related to the incident.