Slime Tensei.: Daikenja ga Youjo Elf ni Dakishimeraretemasu

Slime Tensei.: Daikenja ga Youjo Elf ni Dakishimeraretemasu (スライム転生. 大賢者が養女エルフに抱きしめられてます) is a light novel series by Rui Tsukiyo with illustrations by Ichiri.

Plot
On the verge of his death, a great sage reincarnated into "Infinite Evolving Slime" which he created with great sorcery. He decided to enjoy his new life, rather, new slime life, but his elf disciple, who is also his adopted daughter, caught and tamed him...