A sweet love in a strange world.
When he was young, the male protagonist accidentally entered a cursed bookstore, came to a strange world, and was trained to be a killer.
More than ten years later, the heroine entered the cursed bookstore because of a letter, and met the hero because she was cursed.
Afterwards, the female protagonist was killed and then resurrected, unlocking a new identity as a wizard. At this time, the male protagonist's memory was erased. The two met again, but that acquaintance was in the past.
What will they receive? What secrets and endless love are hidden between them?
Mission: No one will be in darkness forever, dawn will eventually come