Rimuru has a daughter in the new slime mobile game - GamerBraves.

Does Rimuru Tempest have a kid?

I'm Rimuru Tempest's daughter, Shinsha!" Shinsha (シンシヤ) is a character appearing in the mobile game, That Time I Got Reincarnated as a Slime: Isekai Memories.

Does Rimuru have a love interest?

Among those children, Chloe becomes the one with the most affection towards Rimuru as she falls in love with him, even declaring she loves him though Rimuru didn't take that seriously initially but cares for her greatly even stating he wish she said that to him if she was 18 or 20 years older from now.