The Battle of the Reincarnated Slave Warrior (Novel)

After dying as a result of bullying, I was reincarnated into a world with magic. However, as a slave, I was forced to fight for my life. However, as I worked hard, someone appeared who wanted to buy me. If I risked my life to fight as a slave Ryu in another world, my master would treat me well. It would be a much better life than my previous life. What? She wanted to increase the number of strong, good-looking, and skilled slaves, so she told me to impregnate this beautiful slave girl! I ended up doing naughty things with lots of cute girls. ****