[Full Size] Okuzumi Yuiko (Patreon)

The school was on break, but she had to go in today to deal with some student-related paperwork. A chilling silence hung over the empty school grounds. She was alone as she unlocked the faculty office and stepped inside. But to her misfortune, she was completely unaware that someone had been silently stalking her from behind. And then, about fifteen minutes later...

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