Magic Bullet in Magic Land

The Main Character, Watari Karito, is a veteran player of a Military Shooting VRMMORPG. The place which he wandered into was another world of swords, magic and gambling. What awaited him there was a demi-human sister and a battlefield full of malice. If one wants to survive, if one wants to protect ———— He will need to use all means. He squeezed the trigger.