My Father Is the Enemy of My Past Life? (Promo) is a Manga/Manhwa/Manhua in english language, Manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

I lived to the age of 19, only to be constantly taken advantage of by fake family members. With the vow to seek revenge still fresh in my mind, I made the choice to live my life again. Yet why have I returned to the night I was kidnapped from a burning castle?
"Hwelp me! Hwelp me! The willian ish twaking Maedie!"
My savior ended up being the enemy's son?!
For days and nights I followed him to the enemy's castle, but upon arrival, a warm welcome...
"Ack! Father! Second Brother's picked up another living thing!"
...wasn't what awaited me.