When Vidrak the Death God invades and the fate of humanity hangs in the balance, the greatest mages of the realm stand in defiance… only to find that their spells have no effect, as the dark overlord effortlessly picks apart their attacks. Overwhelmed by a horde of monsters, long-range mage Setsuna Cromwell uses his last resort, the Amulet of Resurgence, to travel 10 years into the past. Now a freshman twice over, Setsuna must go against the grain by studying melee magic, known as the least prestigious domain – and the only one with a chance of defeating Vidrak. (Source: WEBTOON)

In 1938, the world is at peace following the Great Demon War eight years earlier and the Shanghai Combat Revue now protects Tokyo. However, Sumire Kanzaki, a retired actress and original member of the Imperial Combat Revue's Flower Division, senses that the demons are about to threaten Tokyo once again. So, she decides to establish a new Imperial Combat Revue and personally recruit some potential members. (Source: TV Tropes)

Lina, has been working as a waitress at a bar since she was sold by her parents to cover their debts. One day, she is almost attacked by a pirate who comes to the bar and has an arrogant attitude. Cedric, a gentlemanly pirate, saves Lina, and after saving her, he returns to the bar every day. He then invites Lina to join him, as if to steal her away, and drags her into the path of pirates. Lina and Cedric's voyage of love begins now.