Hell Teacher: Jigoku Sensei Nube S01 E04 The Rokurokubi

"Can you protect them all?"

After witnessing Nueno's amazing power, Miki becomes obsessed with gaining psychic abilities. She even tries to train while sleeping. When her efforts produce an unusual result, she joyfully celebrates her success. However, her friends are far from impressed. In fact, they are scared of what Miki has become.