Heartwarming / Gate Keepers 21

  • Just about any time Miyu and Yukino are together.
  • Ayane steping up to defend an unconscious Miyu from Ghost Girl.
  • When Miu is reunited with her friends during the finale just after the Big Bad had accidently restored the area and all the people she'd killed in it. The look of relief on her face as she hugs them was priceless.