The Office Drone Noblewoman's Marriage to the Dragon Slayer: Non-Stop Lovemaking in Another World with No Way Home

Rui has been treated like a servant all her life, and she has been fairly accustomed to all of it. She remembers even in her past life how many times she needed to bend over backwards to make her career work and to apologize to her superiors. She's grown a sort of resistance to terrible workplace treatment. However, as a part of her parents' plans after they pass, Rui is suddenly given over to Claude, known as the "Dragon Slayer" and feared by all, to be his bride...!! From one hell to the next... or so she thought! Lying in bed before the fearsome dragon slayer, it turns out this fearsome man is not only incredibly charming behind his mask, but also quite passionate?! (Source: MangaPlaza)