Isekai Papa Katsu Oji-san

Takumi is a cheat reincarnate who visits a magical city in another world. His purpose is... "I want to play with young girls!" Takumi, who was strong enough to slay a dragon, retired as an adventurer out of fear for his life. His next ambition is to live as a "daddy's uncle. With the help of a good elf, Lolibaba, and his amassed wealth, he is steadily attracting young girls, but this is a different world. Monsters appear on his dates, he gets lost in dungeons, and even his daddy's life is on the line!