Monster ga Afureru Sekai ni Natta node, Suki ni Ikitai to Omoimasu (Associated Names)

On his way home from his office, the main protagonist drove and ran over a big dog. At that moment, he heard the sudden sound of a voice inside his head. ≪The monster has been subjugated, gaining experience points.≫ 「Eh?」 Before anyone knew, the world has changed. Monsters appear, this is a game-like world where…