Nagawasabi64

A socially awkward office worker becomes a father to a little girl in a VRMMO!? Daiki, the protagonist who struggles with deep relationships, decides to become a summoner in the latest VR game and deepen his bond with his summoned creature... but who appears but a demon girl!? Daiki has no idea how to interact with a young girl, but he manages to communicate with her and they embark on an adventure together—but trouble awaits them!

Young gamer Shuutarou is among the lucky few chosen to playtest Eternity, the latest VRMMORPG, and he wastes no time in activating his unique Create Dungeon skill... at the exact moment the game glitches! Now he and his fellow playtesters are trapped, and their lives are at stake. Shuutarou happens to end up in the one area that has yet to be patched into the game: the final-boss lair where the six Evil Overlords lurk. They promptly declare him their master— and with Eternity's strongest baddies on his team, Shuutarou is up for any adventures this new life throws at him!(Yen Press)Official English Light Novel