Isekai De Saikyou Mahou No Tsuma Ni Narimashita -Oku Made Michiru Fumetsu No Ai-

Mana is your average everyday woman working at a game company as a video game writer. One fateful night, on her way home from work, she is struck by a reckless driver and wakes up to find she has been reincarnated in the very world she created for her video game! However, the final boss, Nox, is nothing like the sinister demon she scripted in her game. What's even more surprising is when Nox reveals that Mana is his wife in this world. Despite feeling overwhelmed by the situation, Mana's body seems to long for his touch, even amidst her confusion. Will Mana remain in this realm, bound to be the Demon King's wife...?