Three years ago, in Academy City.
Kamijou Touma, plagued by misfortune, met a poor girl with cotton-candy hair at an experimental institution called the "Talent Workshop." Thus began a sweet yet heartbreaking romance.
Mitsukibi Aiyu should have been happy, but she was haunted by a strange phenomenon known as the "Ants." In the end, she betrayed the teacher who had helped them, and Kamijou Touma misunderstood her.
Their sweet romance fell apart, and Mitsukibi Aiyu, overcome with despair, chose to drown herself in a lake.
"I'm sorry, Touma. I'm so sorry..."
Hoping to save herself before falling into the abyss, she called her lover, but received no answer.
The girl sank to the bottom of the lake, overwhelmed by endless despair.
Three years later, after learning the truth, Kamijou Touma was still consumed by guilt.
His heart heavy with remorse, he visited the lake where Mitsukibi had died every year to pay his respects.
"Hello, Kamijou. We meet again."
On a rainy night, three years to the day, the former lovers met again by the artificial lake.
But Mitsukibi was no longer the girl Kamijou knew.
Mitsukibi had gone dark...
