Isekai Maid ga Yattekita: Ihoujin Datta Koro no Maid ga Gendai no Wagaya de Ecchi na Maid-san ni Adult

Takahiro was suddenly summoned to another world (Wagen) as a hero. However, the king who summoned him belittled the skill he got ("Steal") and threw him into the city. Then, he start as adventurer to earn money. Even though he had a lot of stollen skills, the monsters were stronger than he expected, so he decides to buy a strong slave adventurer to form a party. That's how Takahiro has a fateful encounter with a demon maid girl who will help him to become a true hero.