Slime Tensei. Taikensha ga Youjo Elf ni Dakishimeraretemasu

The Great Sage becomes his daughter’s pet!?
The Great Sage Marlin Endlight on the moment of his death, reincarnated into a [Slime that can evolve endlessly] and became his daughter’s familiar. And then, he left on a journey with his daughters to take back his mansion. The everyday story of Slime unfolds!