Kotaro is acting strangely. He keeps repeating the word "Filthy" and washes his face over and over again. Gammamon instinctively senses something is wrong with him. Soon after, Kiyoshiro and all the dorm members start acting strangely too.
Hiro's study files!
!ملفّات دراسة هيرو
¡Los archivos de Hiro!
¡Los archivos de Hiro!
sui 
Digimon
Познавательные уроки от Хиро!