The Sword Master of Avalon's Dimensional Journey

My name is Merlin, I am a mage, a swordsman and an assassin. Of course, the most important thing is that I am a time traveler. Not an ordinary time traveler, the kind that travels everywhere... No, a girl next to me who could take out a book from her body got into a fight with two girls who could turn into swords, but I didn't panic at all. Because the queen who is squatting at home next door has already arrived with a magic gun...