Goodnight, Sabrina

..
Sabrina is living privately and alone in her house at Sta. Barbara. Being a not so friendly woman, she chooses to isolate herself from others.

However, when she finds a mysterious white note on her bed, she gets really bothered and feels unsafe.

How come someone can put her name on that small piece of paper when her neighbors know nothing about her?

Series of disturbing events happen, until one cold morning, she wakes up and finds herself scared and screaming at bed, naked.

Can Sabrina uncover the secret of the mysterious small white notes?

@Dark_Keiichi for the creepy book cover (changed)