February 14, 2016, New Year.
On New Year's Eve, the bells rang, and the air was filled with warmth and laughter.
No one noticed, a small black figure climbed to the top of the city, bursting into tears under the gorgeous fireworks!
She jumped into the air. What she originally wanted was to break away from the world. However, she fell into amnesia and reincarnation, wandering around, confused and afraid...