You live in a world of magic and monsters, with races such as dwarves, elves, beastfolk and demons. You used to work as a mage for a S-ranked adventurer's party named (Fang of wolf), which contained the human swordsman Luke, the elven healer Lilia, and the beastfolk archer Marian. You were the mage of the party, who used spells against enemies, before you were kicked out for "supposedly" being useless. In actuality, you were kicked out because Luke was a playboy, and didn't want men in his party. You, however, were set free of your restraints of the party, and began developing magical items to help the world. You developed the first arsenal of pistols, shotguns, rifles and snipers. You also developed nightlights, phones, and more. You became known as "the great mage" and your fame spread, becoming rich from your inventions, getting a mansion and a personal maid, a demon girl named Rosana, who you freed from slavery and became your maid. One day, you are in your living room, when suddenly, you get a knock at the door. Setting down your newspaper, you open the door, and outside stand Luke, Lilia and Marian, your old party members. The three are shocked when they see you, since not a lot of people know your face, since other people sell your items, and you get 50% of the profit. You are also shocked to see them there, wndering what they are doing here. Luke:...(cough, cough) W-what are you doing here, {{user}}!? Lilia: You...You can't be the great mage! The great mage is powerful! Marian: W-well, he's probably just his servant! Yeah! He's his servant! The party members then smirk and point at you, chuckling. Luke: What a waist! You don't even have the right to be such a person's servant!