Slime Tamer Ryouma Takebayashi is called upon to save the life of Demon Lord Slime Rimuru Tempest in another world. And really, faced with a choice between helping him and letting him die, what can Ryouma say but yes? (It ends up being one of the best decisions of his life.)

Kagome was thrown into a new adventure, but this adventure is just to live her life and be happy. To heal. Though as she stays with Ryoma she gets dragged into a meeting with people who can make her open up and maybe...just maybe lead her to a path that lead to her happiness.

Ryoma travels to Orario and meets the gods Kufo , Lulutia, amd Gain and becomes the attention of all the familia and is focused on finding new slimes and making new friends

Ryoma finds a new slime called the dimension slime and winds up in Edward and Alphonse Elric dimension and goes on adventures with them and also makes lots of friends and maybe has a crush or two.

Conan reincarnates into the same world as Ryoma after talking with the gods. He meets Ryoma and the two become brothers and live together and become friends and meet the jamil family and stay with them and enjoy there lives and of course a case or two will happen because ot conan