Two weeks have passed since that fateful night. It seems so long ago, yet is so fresh in the minds of those at Kaida house. An unannounced visitor, signalled by Wanta's barking. The grandfather clock chimes, breaking its long silence.

Lucy has finally returned to Kouta, but all that action has crippled her mind into a coma. The government, now unable to exterminate the problem decided to cure them instead... using twin diclonius as their key weapon.