Tensei Shitara Slime Datta Ken: Maou to Ryuu no Kenkoku-tan

Tensei Shitara Slime Datta Ken: Maō to Ryū no Kenkoku-tan,
That Time I Got Reincarnated as a Slime: Isekai Memories,
That Time I Got Reincarnated as a Slime: The Saga of How the Demon Lord and Dragon Founded a Nation,
転生したらスライムだった件 魔王と竜の建国譚