Zekkyou Gakkyuu: Tensei  

絶叫学級 転生, Scary Lessons: Hide-And-Seek Ogre, Zekkyou Gakkyuu: Kakurenbo Oni, Screaming Lessons: Hide-And-Seek Ogre, Ribon x Oha Suta Special

During a game of hide-and-seek in class, one girl's friend vanished without a trace. she searched for him but hid herself when she heard someone chasing after her. eventually, she cautiously emerged from her hiding spot to check whether the person had stopped looking for her.