Ruli’s friend Kotoha asks for her help. Ruli and the gang go visit her house. There, they find the dead body of Manami, Kotoha’s brother’s fiancé. She died during an experiment ten days ago, but she starts moving and speaking at night.
Hiro's study files!
!ملفّات دراسة هيرو
Hiros Lernaufzeichnungen!
¡Los archivos de Hiro!
¡Los archivos de Hiro!
Les observations de Hiro !
sui 
Digimon
Познавательные уроки от Хиро!