Michiru Kita is a weak-spirited girl who has a hard time saying what’s on her mind. One day, she notices mysterious, ring-like markings around the necks of two of her classmates, Chika Akatsuki and Shito...

The only warmth he felt in his school life was from the kind class president. However, things start to get worse as the thugs start targeting her as well. "Can I protect her from those monsters?" Original...