Immortal Demon Dad

After reincarnated, the Immortal Demon turned into two babies, and was adopted by ordinary man Qin Lan. As the power of the immortal demon in the two daughters continued to leak, Qin Lan's life changed dramatically. Qin Lan gradually discovered that his encounter with his two daughters was not an accidental encounter, but a cause and effect that had been destined in his previous life.

(Source: MangaDex)