Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 1.3

Master said, the woman I held in my hands, I must protect for the rest of my life.

Master said, it’s hard to cultivate as a Demon, and once you enter the Demon Dao, you should never look back.

Master said, Heaven is a Circle and the Earth is a Square; that Circle represents (is) consummate perfection, and that Square represents (is) the edges and corners of one’s Heart, it’s a rebellion against Fate, a Disobedience to Heaven.

My master is named Ning Fan, he’s not a person, he’s merely a Butterfly who has entered Demonhood. He was searching for someone. No one knew who he was searching for. No one knew how long he would search for…

- Description from novelupdates

Li Che transmigrated into this world and lived a mundane life for nineteen years. Accepting his fate, he chose to marry, have children, and work hard to support his family.But in the instant his daughter was born… his fortunes changed. Through his daughter, his life became extraordinary.…When his daughter was safely born, he gained the Dao Fruit [Celestial Artisan] .When his daughter turned one, healthy and unharmed, he gained the Dao Fruit [Dragon-Elephant Vajra] .When his daughter turned two, free from illness, he gained the Dao Fruit [Purity of Heart] .When his daughter turned three, lively and clever, he gained the Dao Fruit [Chess Sage] .At ages four, five, six…Li Che realized that with every year his daughter grew, he could condense a Dao Fruit to strengthen himself.From then on, Li Che had a simple and humble wish: one Dao Fruit per year, quietly guarding his daughter to ensure her immortality.All he wanted was… to start from a warm home with his wife and daughter, calmly protecting her journey to eternal life.Silently, he would condense Dao Fruits—billions upon billions of them. Thus, his cultivation soared to the peak of divine refinement, standing invincible across all realms.

Tong, a sinner who was suffering endless torment in hell because of his mistake he had done in his previous life, was giving other chance to redeem himself by the devil.