A young girl contacts the Narumi Detective Agency about her missing grandfather. But what does her case have to do with Shadow Fuuto?
Ritsuka's grandpa is in danger!
!جدّ ريتسكا في خطر
Ritsukas Opa ist in großer Gefahr!
Le papy de Ritsuka est en danger !
Il nonno di Ritsuka è in pericolo!
O avô da Ritsuka está em perigo!
Дедушка Рицки в опасности!