Protoganist's Sidekick Fights Back - Chapter 31: Under The Moonlight (R18)

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates

Arranged marriage? Or a child first and then love?After being defeated and captured, the dragon slayer Leon became the prisoner of the Silver Dragon Queen. Facing certain death, Leon made a desperate move.In a twist of fate, he impregnated the queen right before he was supposed to die.He thought that by doing this, he could condemn the queen to live with the shame for the rest of her life, fulfilling his mission as a dragon slayer.But two years later, when Leon opened his eyes, he found a little dragon girl with a tail beside him.“Daddy! You finally woke up!”Not only was Leon alive, but he had also become the father of this little dragon girl.After that, the Silver Dragon Queen started her relentless revenge. In a way that was truly “tit for tat,” she subjected Leon to non-stop bed exercises. But as a mere human, how could he possibly withstand the unending onslaught of a dragon's... desires?Leon decided to escape.However, every attempt ended in failure.Finally, under the queen’s threats and bribes, he resigned himself to being a stay-at-home dad.“Hm, you’ve been behaving well. I’ll reward you by having a second child with me,” the queen declared.Leon swore, “I’d rather die! I’ll leap from the Silver Dragon Palace, and I still won’t have a second child with you!”