While Dae was out on her date with Donghae

HARA's thought
hmmmm where is that book? let me go and see in un-ni's room

In Dae's room
huh i can't find my book..hey what's this? un-ni's diary.....hmmmmm let me have a look at it and it's k cos i know all of her secrets

After Reading
Huh? un-ni likes Donghae oppa?