A little sad that the text from her "diary" wasn't translated. She made up a whole fanfic about meeting her master again and getting headpats.
Well, story will show. Someone who made his own magic shortcuts is at least perfectly capable of causing that harm.
It looks like that's only one volume of many... I did a Google Image Translate on it and the visible part says:
(Roge) "I missed you, Lilia."
(Lily) "Me too, Master... I've been waiting for you for so long."
Master took my hand and gently stroked my hair.
(Roge) "I haven't forgotten about you. I've been feeling the same way about you."
(Unclear) "I wonder if it's okay for me to be..."