This Ugly Yet Beautiful World 3 features story and art by Ashita Morimi and Studio Gainax.

Death spreads throughout the world in the form of a cloud of dark butterflies. In the midst of this chaos, Hikari's body begins to fade and she becomes invisible to everyone. Takeru sets out to find her, but cannot bring himself to kill her. He vows to keep his promise to stay by her side, but when they meet face to face, she reveals a shocking decision. Will Takeru be able to protect those he loves?